led

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sleds是什么意思

sleds n. 雪橇( sled的名词复数 ); v. <美>乘雪橇( sled的第三人称单数 ); [例句]Go you men with dogs and sleds. Follow my footsteps.你们男人带上狗和雪橇,顺着我的脚印去吧。

left和sled发音相同吗?

left和sled中的 e发音相同都是闭音节 读[e]

主板上sled是什么跳线

面板连接线机箱面板的连接线插针一般都在主板左下端靠近边缘的位团置,一般是双行插针,一共有10组左右,主要有电源开关,复位开关,电源指示灯,硬盘指示灯,扬声器等插针。1电源开关连接线连接电源开关连接线时,先从机箱面板连线上找到标有“powersw”的两针插头,分别是白棕两种颜色,然后插在主板上标有“pwrsw”或是“rwr”字样的插针上就可以了。2复位开关连接线用来热启动计算机用的。连接时,先找到标有“resetsw”的两针插头,分别是白蓝两种颜色,然后插在主板上标有“resetsw”或是“rsr”字样的插针上就可以了。3电源指示灯连接线先找到标有“powerled”的三针插头,中间一根线空两缺,两端分别是白绿两种颜色,然后将它插在主板上标有“pwrled”或是“pled”字样的插针上。提醒:电源开关连接线和复位开关连接线两处在插入时可以不用注意插接的正反问题,怎么插都可以。但由于电源指示灯边接线是采用发光二级管来显示作息的,所以连接是有方向性的。有些主板上会标示“pled+”和“pled-”字样,我们只要将绿色的一端对应连接在pled+插针上,白线连接在pled-插针上。4硬盘指示灯连接线先找到标有“h.d.d.led”的两头插头,连线分别是白红两种颜色,将它插在主板上标有“hddled”或“iedled”字样的插针上。插时要注意方向性。一般主板会标有“hddled+”、“hddled-”,将红色一端对应连接在hddled+插针上,白色插在标有“hddled-”插针上。5扬声器连接线先找到“speaker”的四针插头,中间两根线空缺,两端分别是红黑两种颜色,将它插在主板上标有“peaker”或是“spk”字样的插针上。红色插正极,黑色插负极。实际电源开关:白色+正极,棕色—负极正反插均可复位开关:白蓝两种颜色,正反插可随便。电源开关:绿色的插在pled+插针上,白色的插在pled插针上。硬盘指示灯:绿色插在“pled+”,白色插在“hddled-”插针上。扬声器:红色插正极,黑色插负极。

SLD和SLED的区别,是同一个东西吗

D型SLD宽带光源 D型宽带光源是低相干性的宽带光源 满意的操作软件 自2005年7月开始,我们即可通过RS-232接口远程控制光源。我们提供了一套功能强大的软件通过电脑来远程操作光源。 产品描述 D型宽带光源是低相干性的宽带光源,基于两个容易切换的中心波长的单模光纤耦合SLD模块。SLD模块控制器的设计确保了光源的操作的稳定性。 *光学相干成像 *光器件的检测 *光纤测量 *光学测试 我们可提供下列型号的宽带光源: *D830, 70 nm FWHM的光源(< 10 μm 相干长度) 波长在 830 nm, 输出功率 – up to 12 mW. *D855, 75 nm FWHM 的光源(< 10 μm 相干长度) 波长在 855 nm, 输出功率 – up to 12 mW. *D890, 150 nm FWHM 的光源(< 5 μm 相干长度) 波长在 890 nm, 输出功率 – up to 6 mW. *D980, 210 nm FWHM 的光源,波长在 980 nm, 5 mW ex SM fiber output. *D1300-HP, 85 nm FWHM 的光源,波长在 1300 nm, 100 nm FWHM versions on request. *D1460, D1500, D1550, 70 – 80 nm FWHM 的光源, 5 mW and 2 mW versions. *D1500-LP, 170 nm FWHM 的光源波长在 1500 nm (very low-cost solution). 另外,我们可以根据客户的要求订制宽带光源,所有的光源都支持220V和110V交流转换,体积为:254 × 158 × 318 mm,重量为:6.0 kg,测试温度范围为:0 °C - +40 °C

breath跟sled发音一样吗?

这个问题问得有点不清楚。估计是问两个单词中元音部分 ea 与e是否发音一样。ea 与e在这两个单词中都发/e/音。

sleigh与sled的区别

都是雪橇,如果要严格区分,sleigh 是 马拉雪橇,sled 是狗拉雪橇,另外还有动词滑雪的意思,用sledge.(sled = sledge)

SLD和SLED有什么区别吗

总的来说:SLD和SLED都是一种宽带光源,SLED要比SLD好,但一般家用的是SLD,其并不是多差,而是SLED要比SLD好;而SLED多用于高科技领域。

sleigh与sled的区别

都是雪撬,sledsledge意思完全一样,只是sled是美式,sledge是英式,它表示用两块狭长的板子或是金属固定的用于滑雪的工具sleigh表示一种用于滑雪的被动物拖着的大型工具,这种名词一定要看英英解释,才能体会其不同,我翻了下英英字典,希望能帮到你~~~~

sled的动名词形式有几种

1、sled的动名词就一种形式。2、sledding,重读闭音节结尾双写尾辅加ING,写作sledding。

问个问题的说,sled是雪橇的意思的说,ski是滑雪橇的说, 雪橇和滑雪橇有什么区别吗?

sled1 雪橇:装在滑行装置上的车辆,用于运载人或货物通过冰面或雪地;2 小雪橇:装有滑行装置的木质轻便架子,孩子们用它在冰上或雪上滑行。ski通常用作复数 skis1 滑雪板:一双用塑料、金属或木头制成的又长又平的滑行装置之一,它的前端向上并且可缚在靴子上以便滑行或在雪上穿行。2 滑行装置:在机车上用作滑行装置的东西:a helicopter with skis for landing on snow and ice.带滑行装置以便在雪和冰上降落的飞机。ski可以用作名词啊,通常用复数。当然也可以用作动词:Do you have the skill to ski such a difficult slope?你有沿着这样一个陡坡滑雪的本事吗?从英语的角度,你指的是什么角度,是要例句吗?用法,就是通过例句体现出来的吧?我已经给出例句了:a helicopter with skis for landing on snow and ice.具体详细情况你可以到奥威斯29层进行系统学习

sled什么缩写

以下是一些常见的SLED的缩写含义:SLED - Statewide Library Electronic Doorway,是美国阿拉斯加州图书馆协会推出的一个数字图书馆门户网站,提供电子书籍、音频和视频资源等;SLED - Storage Live Expansion Drive,是一种硬盘扩展设备,可以通过插入到电脑的USB接口中来扩展电脑的存储容量;SLED - System Level Environmental Definition,是一项环境定义标准,用于描述计算机系统的环境条件和限制要求;SLED - Special Low Emission Diesel,是一种低排放的柴油发动机技术,可以减少柴油车辆的尾气排放量;SLED - Storage Lifecycle Enabled Disk,是一种用于数据存储的技术,可以根据数据的重要性和需求来选择不同的存储介质和存储周期。

sled什么意思?

1、名词翻译:n. 雪撬。2、动词翻译:v. 乘雪橇;用雪橇运。3、复数:sleds。4、动词第三人称单数:sleds。5、动词现在分词:sledding。6、动词过去式:sledded。7、动词过去分词:sledded。8、相当于sledge <美国>

Ledisi的《Bravo》 歌词

《Bravo》歌手:Ledisi发行时间:2014-01-13所属专辑:《Pieces Of Me》I"ve got a new walkAnd a new point of viewA new purpose for everything I do.I got a new rule on me.Real folks around me.If you"re wondering I"m about to tell you now.See, it"s the same pretty face, but a brand new smile.Same Ledisi, but she ain"t walking. She"s flying.New game. Making big moves.You see if love found me it can surely find you.I ain"t even got one sad tear left in me.All I really want to is to see the whole world stand up tonight.Take off aye.Celebrate life.It don"t matter who you are (or where you from)If you been working hard,give yourself a round of applause.Bravo. Bravo. Bravo. Come on clap for yourself.Bravo. Bravo. Bravo. Yeah. YeahThere ain"t a wrong time.Or a wrong place to flaunt.If you feel good then go on and show it off.They can say what they wanna.Just let em try.I don"t listen. Baby, lemme tell you why.See, it"s the same pretty woman with the brand new smile.Same Ledisi. But she ain"t walking, she"s flying.New game. Making big moves.You see if love found me it can surely find you.I ain"t even got one sad tear left in me.All I really want is to see the whole world stand up tonight.Take off aye.Yeah, we celebrating life.It don"t matter who you are (or where you from)If you been working hard,give yourself a round of applause.Bravo. Bravo. Bravo. Come on clap for yourself.Bravo. Bravo. Bravo. Yeah. Yeah.So, ladies put your best dress on.Get your hair done.Do it real big. It"s a celebration.Fellas, come on.Everyone.Lemme hear you clap now if this is your one.I ain"t even got one sad tear left in me.All I want is to see the whole world stand up tonight.Take off aye.We celebrating life.It don"t matter who you are (or where you from)If you been working hard,give yourself a round of applause.Bravo. Bravo. Bravo. Come on clap for yourself.Bravo. Bravo. Bravo. Yeah. Yeah.Bravo. Bravo. BravoBravo. Bravo. BravoLedisi的其他热歌01I Miss You Now02I Blame You03Pieces Of Me04The Rain05Alright06Ain"t Gonna Miss U When U"r..07Alone08The One09We Are One10Coffee

这首歌谣是什么意思?特别是最后一句“They are tangled in angles!”。

它们角度交错着

if you get all tangled up

如果你犯了一个纠缠不清的错误,就别理它!

Shayne Ward的《Tangled Up》 歌词

歌曲名:Tangled Up歌手:Shayne Ward专辑:BreathlessShayne Ward - Tangled Up lyricsArtist: Shayne WardAlbum: BreathlessYear: 2007Title: Tangled UpYou"ve got me tangled up in youYou"ve got me tangled up in youI must be tripping it"s trueI"m losing hold of my coolAnd I really ought to let you goDon"t even make any senseIt"s getting crazy intenseWhy you wanna make me lose controlI just gotaa let you knowI can"t seem to let you goNow its getting perosnalGirl what you do to meIt"s crazy new to meIt"s getting through to meChorusI can"t deny that its trueYou"ve got me tangles up in youI tell myself that it"s wrongThat when you smile at me i"m gone(gone gone gone)There ain"t no way to esacpeTrapped in this beautiful mistakeThe situation ain"t coolYou"ve got me tangled up in you(tangled up in you baby)You"ve got me tangled up in youYou"ve got me tangled up in youYou"re playing games with my headI should be leaving insteadBut I"m falling faster all the timeYou lick your lips and you smileI"m helpless just like a childAnd i"m trying not to cross the lineI just gotta let you knowI can"t seem to let you goNow it"s getting personalGirl what you do to meIt"s crazy new to meIt"s getting through to meChorusI can"t deny that its trueYou"ve got me tangles up in youI tell myself that it"s wrongThat when you smile at me i"m gone(gone gone gone)There ain"t no way to esacpeTrapped in this beautiful mistakeThe situation ain"t coolYou"ve got me tangled up in you(tangled up in you baby)It"s wrong that I just can"t walk awayIt"s wrong that I can"t find words to sayYou know that you"ve got me hypnotisedI"m mesmerized love"s in your eyesIt"s wrong that I just can"t walk awayIt"s wrong that I can"t find words to sayYou know that you"ve got me hypnotisedI"m mesmerized love"s in your eyesChorusI can"t deny that its trueYou"ve got me tangles up in youI tell myself that it"s wrongThat when you smile at me i"m gone(gone gone gone)There ain"t no way to esacpeTrapped in this beautiful mistakeThe situation ain"t coolYou"ve got me tangled up in you(tangled up in you baby)http://music.baidu.com/song/388266

Tangled Up In Blue 歌词

歌曲名:Tangled Up In Blue歌手:Bob Dylan专辑:The Bootleg Series Volumes 1-3 (Rare And Unreleased) 1961-1991 (Display Box)Artist: Bob DylanTitle: Tangled Up In BlueEarly one mornin" the sun was shinin",I was layin" in bedWond"rin" if she"d changed at allIf her hair was still red.Her folks they said our lives togetherSure was gonna be roughThey never did like mama"s homemade dressPapa"s bankbook wasn"t big enough.And i was standin" on the side of the roadRain fallin" on my shoesHeading out for the east coastLord knows i"ve paid some dues gettin" through,Tangled up in blue.She was married when we first metSoon to be divorcedI helped her out of a jam, i guess,But i used a little too much force.We drove that car as far as we couldAbandoned it out westSplit up on a dark sad nightBoth agreeing it was best.She turned around to look at meAs i was walkin" awayI heard her say over my shoulder,We"ll meet again some day on the avenueTangled up in blueI had a job in the great north woodsWorking as a cook for a spellBut i never did like it all that muchAnd one day the ax just fell.So i drifted down to new orleansWhere i was lucky just to be employedWorkin" for a while on a fishin" boatRight outside of delacroix.But all the while i was aloneThe past was close behind,I seen a lot of womenBut she never escaped my mind, and i just grewTangled up in blue.She was workin" in a topless placeAnd i stopped in for a beer,I just kept lookin" at the side of her faceIn the spotlight so clear.And later on as the crowd thinned outI"s just about to do the same,She was standing there in back of my chairSaid to me, don"t i know your name? I muttered somethin" underneath my breath,She studied the lines on my face.I must admit i felt a little uneasyWhen she bent down to tie the laces of my shoe,Tangled up in blue.She lit a burner on the stove and offered me a pipei thought you"d never say hello, she saidyou look like the silent type.<br>Then she opened up a book of poemsAnd handed it to meWritten by an italian poetFrom the thirteenth century.And every one of them words rang trueAnd glowed like burnin" coalPourin" off of every pageLike it was written in my soul from me to you,Tangled up in blue.I lived with them on montague streetIn a basement down the stairs,There was music in the cafes at nightAnd revolution in the air.Then he started into dealing with slavesAnd something inside of him died.She had to sell everything she ownedAnd froze up inside.And when finally the bottom fell outI became withdrawn,The only thing i knew how to doWas to keep on keepin" on like a bird that flew,Tangled up in blue.So now i"m goin" back again,I got to get to her somehow.All the people we used to knowThey"re an illusion to me now.Some are mathematiciansSome are carpenter"s wives.Don"t know how it all got started,I don"t know what they"re doin" with their lives.But me, i"m still on the roadHeadin" for another jointWe always did feel the same,We just saw it from a different point of view,Tangled up in blue.http://music.baidu.com/song/8323540

Tangled Up In Me 歌词

歌曲名:Tangled Up In Me歌手:Skye Sweetnam专辑:Tangled Up In MeTangled Up In MeYou wanna know more, more, more about meI"m the girl who"s kicking the coke machineI"m the one that"s honking at you cuz I left late againHey! Hey! Hey!Could you see I want you by the way I push you away, Ya!Don"t judge me tomorrow by the way I"m acting todayMix the words up with the actions do it all for your reaction Ya!Hey! Hey!Get tangled up in meYou wanna know more, more, more about meGotta know reverse phsychologyI"m the reason why you can"t get to sleepI"m the girl you never get just quite what you seeHey! Hey! Hey!Could you see I want you by the way I push you away, Ya!Don"t judge me tomorrow by the way I"m acting todayMix the words up with the actions do it all for your reaction Ya!Hey! Hey!Get tangled up in meYou think that you know meYou think that I"m onlyWhen everything I do is only to get tangled up in youYou wanna know more, more, more about meI"m the girl that"s sweeping you off your feetHey! Hey! Hey!Could you see I want you by the way I push you away Ya!Don"t judge me tomorrow by the way I"m acting todayMix the words up with the actions do it all for your reaction, Ya!Hey! Hey!Get tangled up in mehttp://music.baidu.com/song/2730676

求长发公主《Tangled》的英文电影,无字幕,至少1020p的

http://pan.baidu.com/s/1ntFkhTn

Tangled Up In You 歌词

歌曲名:Tangled Up In You歌手:Staind专辑:Illusion of ProgressStaind - Tangled Up In YouYou"re My WorldThe Shelter From The RainYou"re The PillsThat Take Away My PainYou"re The LightThat Helps Me Find My WayYou"re The WordsWhen I Have Nothing To SayAnd In This WorldWhere Nothing Else Is TrueHere I AmStill Tangled Up In YouI"m Still Tangled Up In YouStill Tangled Up In YouYou"re The FireThat Warms Me When I"m ColdYou"re The HandI Have To Hold As I Grow OldYou"re The ShoreWhen I Am Lost At SeaYou"re The Only ThingThat I Like About MeAnd In This WorldWhere Nothing Else Is TrueHere I AmStill Tangled Up In YouI"m Still Tangled Up In YouHow Long Has It BeenSince This Storyline BeganAnd I Hope It Never EndsAnd Goes Like This ForeverIn This WorldWhere Nothing Else Is TrueHere I AmStill Tangled Up In YouTangled Up In YouI"m Still Tangled Up In YouStill Tangled Up In Youhttp://music.baidu.com/song/54984692

鲍勃·迪伦的歌 Tangled Up In Blue 歌词怎样翻译比较好

Artist: Bob DylanTitle: Tangled Up In BlueEarly one mornin" the sun was shinin",一天早晨日光闪烁I was layin" in bed我赖在床上Wond"rin" if she"d changed at all猜想着她是否已彻底改变If her hair was still red.她的长发还是那样火红吗Her folks they said our lives together她的亲戚都对我们在一起嚼舌头Sure was gonna be rough断定我们一定过得痛苦They never did like mama"s homemade dress他们从不喜欢妈妈的手工衣裳Papa"s bankbook wasn"t big enough.爸爸存折上的数字也日渐消减And i was standin" on the side of the road我站在路边Rain fallin" on my shoes雨水滴落在鞋子上Heading out for the east coast我直奔东海岸Lord knows i"ve paid some dues gettin" through,天知道我已倾尽所有Tangled up in blue.这纠结的抑郁She was married when we first met她在我们相识之前就已结婚Soon to be divorced马上又离了I helped her out of a jam, i guess,我是帮她摆脱了麻烦,我猜But i used a little too much force.但好像有点过于卖力We drove that car as far as we could我们开着车去了尽可能远的远方Abandoned it out west把一切麻烦留在这西方Split up on a dark sad night分裂产生在一个凄凉的黑夜Both agreeing it was best.我们一致同意这是最好的结果She turned around to look at me她转身看着我As i was walkin" away在我迈步离开时I heard her say over my shoulder,她的话语越过我的肩膀传来:We"ll meet again some day on the avenue我们以后还会在路上相见Tangled up in blue这纠结的抑郁I had a job in the great north woods我在北方大道找了份工作Working as a cook for a spell临时在那当个厨子But i never did like it all that much但我从来没当一回事And one day the ax just fell.日子一天天过去So i drifted down to new orleans而我启程去了新奥尔良Where i was lucky just to be employed在那儿我又找了份活干Workin" for a while on a fishin" boat这次是渔船上的临时工Right outside of delacroix.就在德拉克洛瓦城外But all the while i was alone我一直孤身一人The past was close behind,过去之门已在我背后关上I seen a lot of women我见识过了很多女人But she never escaped my mind, and i just grew但我的内心里始终有她,而我慢慢成熟Tangled up in blue.这纠结的抑郁She was workin" in a topless place她在一个小酒馆工作And i stopped in for a beer而我停下来喝杯啤酒I just kept lookin" at the side of her face我就那么望着她的侧脸In the spotlight so clear.在灯光的映衬下And later on as the crowd thinned out过了一会人群渐渐稀疏I"s just about to do the same,我正也要迈步离开She was standing there in back of my chair她在我的椅背后面站定Said to me, don"t i know your name?对我说,难道我不知道你的名字吗?I muttered somethin" underneath my breath,我的呼吸掩盖住无声的喃喃自语She studied the lines on my face.她研究起我脸上的线条I must admit i felt a little uneasy我不得不承认心里乱作一团When she bent down to tie the laces of my shoe,在她弯腰为我系上鞋带的时候Tangled up in blue.这纠结的抑郁She lit a burner on the stove and offered me a pipe她借着炉火点燃我的烟斗"I thought you"d never say hello," she said“我觉得你从来不向人问好,”她说"You look like the silent type."“你看起来那么沉默”Then she opened up a book of poems然后她打开一本诗集And handed it to me伸手递给了我Written by an italian poet那是一个意大利诗人所著From the thirteenth century.来自十三世纪And every one of them words rang true每一个词语都那么真实And glowed like burnin" coal如同赤红的煤块一般的火热Pourin" off of every page通过书页传来Like it was written in my soul from me to you,就像它写在你我共享的灵魂之上Tangled up in blue.这纠结的抑郁I lived with them on montague street我跟他们住在曼特裘街In a basement down the stairs沿着台阶可以走进那个地下室There was music in the cafes at night夜晚的酒馆里飘荡着音乐And revolution in the air.那旋律萦绕在空中Then he started into dealing with slaves然后他开始买卖奴隶And something inside of him died.他心里的一些东西死去了She had to sell everything she owned她不得不出卖拥有的一切And froze up inside.同时冰封起内心And when finally the bottom fell out当争吵最终爆发I became withdrawn,我变得孤僻The only thing i knew how to do我唯一知道如何去做的Was to keep on keepin" on like a bird that flew,就是不断地不断地试着像鸟儿一样飞行Tangled up in blue.这纠结的抑郁So now i"m goin" back again,现在我将再次回头I got to get to her somehow.总之我需要得到她All the people we used to know人人都曾明白They"re an illusion to me now.他们现在对我是一堆虚无Some are mathematicians有些是数学家Some are carpenter"s wives有些是木匠的老婆.Don"t know how it all got started,不知道所有这一切是如何开始I don"t know what they"re doin" with their lives.我不知道他们是怎样对待自己的人生But me, i"m still on the road但是我,我仍然踏步在路途之中Headin" for another joint启程去赴另一场生命的交汇We always did feel the same,我们常常有相同的感觉We just saw it from a different point of view,只是依着各自不同的角度来看待Tangled up in blue.这纠结的抑郁

what a tangled web we weave

这句话是 Sir Walter Scott, 1st Baronet 说的. 他是18世纪晚期苏格兰著名的历史小说家和诗人. 这句话是他有名的一首诗 Marmion 里的一句. 含有这句话的那一段是: Yet Clare"s sharp questions must I shun, Must separate Constance from the nun Oh! what a tangled web we weave When first we practise to deceive! A Palmer too! No wonder why I felt rebuked beneath his eye; 这句话是讲有关deception, 就是欺骗, 大概意思是应由欺骗而编织起来的网是很复杂, 很难解开的.

求迪士尼长发公主(Tangled)插曲- I See The Light的LRC歌词

I See the Light 长发公主 All those days watching from the windows All those years outside looking in All that time never even knowing Just how blind I"ve been Now I"m here, blinking in the starlight Now I"m here, suddenly I see Standing here, it"s all so clear I"m where I"m meant to be And at last I see the light And it"s like the fog has lifted And at last I see the light And it"s like the sky is new And it"s warm and real and bright And the world has somehow shifted All at once everything looks different Now that I see you All those days chasing down a daydream All those years living in a blur All that time never truly seeing Things the way they were Now she"s here shining in the starlight Now she"s here, suddenly I know If she"s here, it"s crystal clear I"m where I"m meant to go And at last I see the light And it"s like the fog is lifted And at last I see the light And it"s like the sky is new And it"s warm and real and bright Andthe world has somehow shifted All at once, everything is different Now that I see you now that I see you

My head feels tangled up的句子结构是怎样的?

这里的tangled up是过去分词变来的形容词短语,可以充当系动词feel的表语。

Oh , what a tangled web we weave , when first we practice to deceive.

这句话是 Sir Walter Scott, 1st Baronet 说的. 他是18世纪晚期苏格兰著名的历史小说家和诗人. 这句话是他有名的一首诗 Marmion 里的一句. 含有这句话的那一段是: Yet Clare"s sharp questions must I shun, Must separate Constance from the nun Oh! what a tangled web we weave When first we practise to deceive! A Palmer too! No wonder why I felt rebuked beneath his eye; 这句话是讲有关deception, 就是欺骗, 大概意思是应由欺骗而编织起来的网是很复杂, 很难解开的.

英语a tangled yarn怎么翻译?

例句Take the lot of the happiest - it is a tangled yarn.就拿最幸福的人来说吧 -- 他们的命运就是一团纠缠不清的纱线.

为什么魔发奇缘的英文名叫Tangled?问什么查英文感觉完全不搭边啊。哪位英语达人可以解释一下吗?

女主名字

Tangled (Like A Spider In Her Hair) 歌词

歌曲名:Tangled (Like A Spider In Her Hair)歌手:Don McLean专辑:Homeless BrotherTangledI"m full of regretFor all things that I"ve done and saidAnd I don"t know if it"ll ever be ok to showMy face "round hereSometimes I wonder if I disappearWould you ever turn your head and lookSee if I"m goneCause I fearThere is nothing left to say to youThat you wanna hearThat you wanna knowI think I should goThe things I"ve done are way too shamefulYour just innocentA helpless victim of a spider"s webAnd I"m an insectGoin after anything that I can getSo you better turn your head and runAnd don"t look backCause I fearThere is nothing left to sayTo youThat you wanna hearThat you wanna knowI think I should goThe things I"ve done are way too shamefulAnd I"ve done you so wrongTreated you badStrung you alongOh shame on myselfI don"t know how I got so tangled uphttp://music.baidu.com/song/2886901

电影《魔发奇缘(Tangled)》英文简介。

DFGHFKFGIUIUITYDFOKDFKTOKLYKLTKYLOYKDLYDDLSPOKYSTOPKUOPKYOSEPKYSOPYKSPYYPKSE[EYKOUKOKUOSEK[Y,HKHO[SHKOSEKY[EYKSYES[YKTPOYSKYKYKKYTOUSKUOTUKYOS"THKLSKFS,L;DGKD;KTOYE[TYKTEE[TKYTOETYKOKOFDKFKY

tangled up是什么意思

纠缠

led贴片销售需要掌握什么专业知识和销售技巧

关于“led贴片销售需要掌握什么专业知识和销售技巧”?觉得,做为一名推销工作人员,除了勤快之外,要善于总结成功或失败经验,同时向高手、大师们学习也是必要的,因为他们教你的都他自己的实战经验,这会让你少走很多弯路。更多有关“400电话销售技巧”、“电话销售技巧话术”,参见.BZP。。BZP

Tilly Smith, the 11-year-old British girl, who was called as “Angle of the Beach”, saved 100 to.

BDAB 1.B。主旨概括题。本篇文章主要是报道了一位名叫Tilly Smith女孩因在2004年的大海啸中利用自己在学校所学的有关海啸的知识而拯救了100多名游客,因此她被法国一家儿童报纸评位Child of the Year。2.D。细节判断题。由文章第一段可知它应当属于一家报纸。3.A。细节判断题。由文章的二段可知她能够利用她所学的知识,运用到实践中去。因此选A。B、C、D的表述不符合原文。4.B。细节理解题。由文章的第二段的“As she watched the waves suddenly begin to move back, and the sea was bubbling”可知。

execution failed because of a distributed protocol error什么意思

execution failed because of a distributed protocol error由于分布式协议错误而执行失败

三星展示OdysseyG8QNB显示器:34英寸QD-OLED带鱼屏

三星最初在今年CES上公布了OdysseyG8QNB显示器,搭载自家的34英寸QD-OLED带鱼面板,3440x1440@175Hz规格。但目前只有外星人上市了搭载这款面板的显示器,型号为AW3423DW,首发12999元。据外媒报道,在科隆游戏展上,三星展示了OdysseyG8QNB显示器。▲官方渲染图▲科隆展实机图viaOC3D三星结合其OLED和量子点技术打造了这款面板,34英寸21:9比例,1800R曲率,3440x1440分辨率,175Hz最高刷新率。此外,三星的OdysseyOLED显示器具有10bit色彩支持,可达1000尼特的峰值亮度和0.1毫秒的GtG响应时间。目前,三星暂未公布OdysseyG8QNB显示器的上市时间。

The Dragon Boat Festival, also called Double Fift

中文吗?

双截龙格斗版(DOUBLEDRAGON)金手指

时间 00170E 63血 037C32 64只数 0016AD 09隐身 037C2E FF手持武器 037C12 10 13 14 15 20 21 30 40(30和40好用)一击毙杀 037C92 00 037CF2 00 037D52 00 037DB2 00 037E12 00 037E72 00打敌人掉的武器 037C72 ??037CD2 ?? 037D32 ?? 037D92 ??037DF2?? 037E52 ??问号处统一添一个代码,可得到该武器。代码为10 13 14 15 20 21 30 40

在半导体,LED芯片制造领域,常见的接头方式是什么?

什么东西的接头啊?水?气?还是别的?

LED点光源护栏管用英语怎么说

点光源护栏管_有道翻译翻译结果:Point lights guardrail tubetube英 [tjuu02d0b]美 [tub]n. 管;电子管;隧道;电视机vt. 使成管状;把…装管;用管输送vi. 乘地铁;不及格更多释义>>[网络短语]tube 管子,夏之管,真空管

peer-review-led什么意思

同业审查指引

Stablediffusion星际深处

Stablediffusion星际深处星际深处篇Vastness of Interstellar Space — 星际空间的辽阔Galactic Exploration — 银河系探索Celestial Bodies in Deep Space — 深空中的天体Interstellar Travel — 星际旅行Nebulae and Star Clusters — 星云和星团Black Holes and Wormholes — 黑洞和虫洞Exoplanet Discoveries — 外行星的发现Intergalactic Communication — 星际通信Alien Life in the Cosmos — 宇宙中的外星生命Supernovae and Cosmic Explosions — 超新星和宇宙爆炸Interstellar Dust and Gas Clouds — 星际尘埃和气体云Deep Space Telescopes and Observatories — 深空望远镜和观测站Multiverse Hypotheses — 多元宇宙假设Extraterrestrial Intelligence — 地外智慧Dark Matter and Dark Energy — 暗物质和暗能量Cosmic Background Radiation — 宇宙背景辐射Deep Space Probes and Missions — 深空探测器和任务Interstellar Dust and Stellar Formation — 星际尘埃和恒星形成Hyperspace and Interdimensional Travel — 超空间和跨维度旅行Gravity Waves and Interstellar Signals — 引力波和星际信号Extragalactic Astrophysics — 外星系天体物理学Cosmic Rays and High-Energy Particles — 宇宙射线和高能粒子Deep Space Artifacts and Space Archaeology — 深空文物和太空考古学Interstellar Medium and Galactic Evolution — 星际介质和星系演化Alien Civilizations and Cultural Exchange — 外星文明和文化交流Planetary Systems Beyond Our Solar System — 太阳系之外的行星系统Deep Space Navigation and Positioning Systems — 深空导航和定位系统Stellar Nurseries and Stellar Death — 恒星孕育地和恒星死亡Deep Space Archaeoastronomy — 深空考古天文学Interstellar Dust and Cosmic Magnetic Fields — 星际尘埃和宇宙磁场Deep Space Communication Technologies — 深空通信技术Interstellar Colonization and Terraforming — 星际殖民和造地Galactic Filaments and Large-Scale Structure — 星系纤维和大尺度结构

The present universal fear has been the result of a forward surge in our knowledge a

d.. 操纵,控制,当前人们普遍担心的是,我们知识的不断激增,以及物质世界中对特定危险因素的操纵.

long long ago there lived in hangzhou a girl called a qiao.后面不记得了,有谁记得这个以前英文课本上

LADY SILKWORM Long long ago, there lived in Hangzhou a girl called Aqiao. When Aqiao was nine years old, her mother died. Her father remarried and the stepmother was cruel to Aqiao and her brother. One winter morning,  the stepmother told Aqiao to go out and cut some grass for the sheep. The poor girl,  with a basket on her back, searched all day from the riverside to the foot of the mountain. But where could she find any green grass in winter? She was tired, cold and hungry, but she was afraid to go home and face her stepmother. As she walked along, she noticed an old pine tree ahead at the entrance to a valley. Aqiao pushed the branches aside. She saw a brook with red flowers and green grass on both sides. She bent down immediately to cut the grass. She went on cutting and cutting until she came to the end of the brook. She stood up to wipe the sweat off her face. Suddenly she saw a lady all in white standing in front of her. The lady was smiling. "Little girl, how nice to see you! Won"t you come and stay with us for a while?" Aqiao looked around. To her surprise, she found herself in a different world. There were rows of white houses with trees in front of them. The leaves on the trees were green and large. And there were many other ladies in white, who  were singing and picking the leaves from the trees. Aqiao liked what she saw and decided to stay. After that she worked together with the ladies in white. They picked leaves from the trees, and fed them to some little white worms. Slowly, the little worms would grow up and spit out silk to form cocoons. The lady in white told Aqiao how to reel the shining silk from these cocoons and how to dye the silk different colors. Time passed quickly and three months went by before Aqiao knew it. One day, Aqiao thought of her brother:"Why not ask my brother to cme here too?" Early next morning, without telling the lady in white, she hurried back home. When left, Aqiao took some silkworm eggs and a bag of mulberry seeds with her. As she walked, she dropped the seeds along the road so that she would know the way back. When Aqiao reached home, she found that her father had grown old and her brother had become a young man. The cruel stepmother had died. It had been fifteen years since she left! "Aqiao! Why didn"t you come home all these years? Where have you been?" Aqiao told her father all that had happened. Her father thought that she must have met a fairy. The next day Aqiao decided to go back to the valley with her brother. But when she opened the door, she found things had changed. The road was lined with mulberry trees. All the seeds she had dropped had grown into trees. She walked along the trail of mulberry trees until she came to the valley. The old pine tree still stood there like an umbrella covering the entrance, but she could no longer find a way to get into the valley. So all she could do was to go back home. It was said that that was how the Chinese first raised silkworms. The lady in white whom Aqiao met in the valley was Lady Silkworm, the fairy in charge of the harvesting of silk.

如何处理Unhandled event loop exception的异常

如何处理Unhandled event loop exception的异常您好,是这样的:1、只能有部分机型可以解决:百度找了不少的方法,有的说是内在益处,可以使用系统自带的window->preferences->general->editors->file associations 在这个文件同一目录下找到eclipse.ini文件后。associations 方法和 在eclipse.ini 文件最后面加:-XX:MaxPermSize=512M-XX:PermSize=128M 来处理内存的问题,可是实际测试之后没有什么用。2、修改路径和环境变量,基本不能处理新版本的问题,因为这个是XP的方案,XP系统没有出现此问题。有的同学说可以解决遇到的内存溢出问题,可是我的却做不了。也有同学说是路径问题,可是重新设置路径之后仍然不能解决。3、恢复老版本。几经周折,笔者在SDK保持在4.1以下的API LEVEL 没有出现问题。在各个博客上咨询,也没有大牛对此问题给出建议。你在myeclipse中换个jsp编辑器myeclipse->window->preferences->general->editors->file associations选中JSP,换一个编辑器即可。不行的话就先将默认的jsp designer 移除,再选择。

如何处理Unhandled event loop exception的异常

  这个是因为软件影响,你看下是哪个软件  查找是受哪个程序影响的办法:打开任务管理器,逐个kill你不知道的用户进程,每杀一个,就重启eclipse看是否解决了。  在系统启动时,想要不再加载这两个进程,可以通过msconfig命令在启动项里取消了AMD HydraVision Desktop Manager和Catalyst Control Center。

电力网LED知识 LUX代表什么单位

同意二楼一楼的说法有误。

一般安装LED日光灯的话要求每平方是多少瓦

这个好象联合国及北京都没规定,不知老东家英国有没规定,美国可能也管不着吧? 不过对于装个led灯来说,根本不用接地线,如果是工厂或大厦大批安装在铁架上,该铁架接地是有必要的,这可以最大限度地保障施工人员的安全.

QQ游戏重装还是出现creatDisplay(2D/D3D8)Failed是为什么啊

系统文件缺失下载下面程序安装即可缺失那个Dll会自动更新http://download.microsoft.com/download/1/7/1/1718CCC4-6315-4D8E-9543-8E28A4E18C4C/dxwebsetup.exe如果是被恶意删除某个文件 请下载完整包覆盖式安装 http://download.microsoft.com/download/E/E/1/EE17FF74-6C45-4575-9CF4-7FC2597ACD18/directx_feb2010_redist.exe这是DirectX里面的一个动态链接库文件在 dxnt 包里解压这个包发现还有很多其它的“同名文件” 驱动文件 和 注册信息有时候注册使用方法才能正确识别文件并调用d3d*.dll这样的文件是 显示驱动的动态链接库

打开灵格斯提示start net service failed. 怎么办

提示你启动网络服务失败。这种问题通常都是因为程序问题,建议你重装一下这个应用程序。

华硕飞行堡垒7笔记本开机显示verification failed:(15) access denied?

重新启动电脑开机点按F2进入BIOS在security选项卡中选择secure boot menusecure boot control按Enter选择Disable然后保存并重启(F10)应该就可以了

Windows 10出现verification failed 怎么办ailed?

请问原来不这样吧?如果是,出事前您在电脑上干了什么,下载什么了,什么东西有异常,如果想起什么追问我说说,如果您自己也不知怎么引起的,建议还原系统或重装。 Win7810还原系统,右击计算机选属性,在右侧选系统保护,系统还原,按步骤做就是了,如果有还原软件,自带的映像备份,并且进行了备份,也可以用软件、映像备份还原系统。 有问题请您追问我。 如果是不能开机或开机卡死机了: 反复开关机试试,放一段时间试试,确实不可以就重装系统吧,如果自己重装不了,花30元到维修那里找维修的人帮助您。 只要注意自己的电脑不卡机、蓝屏、突然关机,开机就不会这样了。

authorization failed什么意思

问:【Authorization failed什么意思】答:Authorization授权failed失败Authorization failed=============【授权失败】

authorization failed什么意思

authorizationfailed授权失败计算机方面一般出现在帐户登陆的时候。如果你是客户端,认证失败就让别人给你权限。

authorization failed什么意思

意思:验证失败计算机方面一般出现在帐户登陆的时候。 如果你是客户端,认证失败就让别人给你权限。

"knowledge is power.francis bacon 什么意思

"knowledge is power.francis bacon词典结果"knowledge is power.francis bacon知识就是力量弗兰西斯

authorization failed什么意思

authorization failed授权失败authorization[英][u02ccu0254:θu0259rau026au02c8zeu026au0283n][美][u02ccu0254:θu0259ru0259u02c8zeu026au0283n]n.授权,批准; 批准(或授权)的证书; 复数:authorizations以上结果来自金山词霸例句:1.Even reading or listening without authorization is forbidden. 未经授权的阅读和收听也会被禁止.-----------------------------------如有疑问欢迎追问!满意请点击右上方【选为满意回答】按钮

authorization failed怎么解决

authorization failed授权失败authorization[英][u02ccu0254:θu0259rau026au02c8zeu026au0283n][美][u02ccu0254:θu0259ru0259u02c8zeu026au0283n]n.授权,批准; 批准(或授权)的证书; 复数:authorizations以上结果来自金山词霸例句:1.Even reading or listening without authorization is forbidden. 未经授权的阅读和收听也会被禁止.-----------------------------------如有疑问欢迎追问!满意请点击右上方【选为满意回答】按钮

authorization failed怎么解决

出现该问题基本都是三个配置文件的问题,下面把这个文件列出来svnserve.conf:[general]anon-access=readauth-access=writepassword-db=passwdauthz-db=authzpasswd:[users]admin=123authz:[groups][/]admin=rw出现authorizationfailed异常,一般都是authz文件里,用户组或者用户权限没有配置好,只要设置[/]就可以,代表根目录下所有的资源,如果要限定资源,可以加上子目录即可。

authorization failed什么意思

出现该问题基本都是三个配置文件的问题,下面把这个文件列出来svnserve.conf:[general]anon-access = readauth-access = writepassword-db = passwdauthz-db = authzpasswd:[users]admin=123authz:[groups][/]admin= rw出现authorizationfailed异常,一般都是authz文件里,用户组或者用户权限没有配置好,只要设置[/]就可以,代表根目录下所有的资源,如果要限定资源,可以加上子目录即可。

IAMSINGLEDOG什么意思

我是单身狗

Youaresingledog什么意思

单身狗

圣诞歌singledog原来是什么歌

铃儿响叮当

有关 It doesn’t have to be this way和they’re controlled very rapidly这两句

It doesn"t have to be this way情况不必如此也就是 情况不是不可改变的they"re controlled very rapidly的意思是“这些疫情很快地被控制了“这里they指代前面的名词these outbreaks

Keane的《Untitled 1》 歌词

歌曲名:Untitled 1歌手:Keane专辑:Hopes And Fears (Ecopac)Untitled 1Artist:Keaneby:mylaA house on fireA wall of stoneA door that once was openedAn empty face and empty bonesWho ate your heart?You"re cold insideYou"re not the one I hoped forI"ll see you on the other sideI"ll see you on the other sideThe wind wouldn"t blow me homeTo lie in your heart of heartsWill I ever see you againAnd lie in your heart of heartsWho ate your heart?You"re cold insideYou"re not the one I hoped forI"ll see you on the other sideI"ll see you on the other sideThe wind wouldn"t blow me homeTo lie in your heart of heartsWill I ever see you againAnd lie in your heart of heartsend.http://music.baidu.com/song/8561317

team knowledge

去百度搜啊

系统文件mshtmled. dll损坏怎么修复?

1. 尝试重新安装系统,这可以重新安装mshtmled.dll文件并恢复其正常运行。2. 从Microsoft官方网站上下载mshtmled.dll文件,将其覆盖到损坏的文件上。3. 从可靠的软件下载站下载一个新版本的mshtmled.dll文件,并覆盖到损坏的文件上。4. 使用系统文件修复工具来修复损坏的mshtmled.dll文件。

yum如何列出未安装的包?yum list 和 yum list installed有什么区别

yum list available

户外显示屏P6全彩LED屏一平方像素点多少价格多少

户外显示屏P6全彩LED屏价格3000-4500产品型号 Model Number OS-P6像素间距 Pixel Pitch (mm) 6mm像素构成 Configuration (1R1G1B) SMD3535像素密度 Pixel density (dot/㎡) 27777模组尺寸 Module Size (mm) 192×192模组分辨率 Mod.Resolution (dot) 32×32箱体尺寸 Cabinet Size (mm) 960×960箱体分辨率 Cab.Resolution(dot) 128×128重 量 Cabinet Weight (Kg/㎡) 45防水等级 IP Rating (front/back) IP65/43驱动方式 Drive Mode(S) 8亮度水平 Brightness(CD/m2 ) ≥6500可视角度 View Angel(H/V) 120°功率 Max.Consumption( W/m2) 1200平均功率 Ave.Consumption( W/m2) 400刷新率 Refresh Frequency(HZ) ≥960HZ灰度等级 Gray Scale (bit) 14bit色彩种类 Display Scale (M) 16.7M使用环境 Operation Environment Outdoor亮度调节 Brightness Adjusted By 手动调节/自动调节/程控调节控制方式 Control way 同步控制/异步控制/4G/WIFI信号接口 Signal Interface DVI,VGA,SDI,HD-SDI,HDMI,YC,CVBS 等输入电源 Operation Power AC 110±10% 50/60HZ,AC 220±10% 50/60HZ工作温度 Operation Temperature - 20℃~+50℃工作湿度 Operation Humidity 10~90% RH工作寿命 Operation Life 50,000hours开拓普科技Ktoper wwww.Ktoper.com

even u get killed just walk it off什么意思

even u get killed, just walk it off即使你被杀了,只是走开了

even if you get killed,just walk it off到底怎么翻译

even if you get killed,just walk it off即使你快死了,也必须咬紧牙关撑下去。

even if you get killed,just walk it off.什么意思

生死关头,信步闲庭

led显示屏都有哪些参数呢。

不知道

室内P2.5全彩led显示屏模组参数什么情况?

P2.5LED显示屏、P3和P4完结超高分辨率,呈现出令人赞不绝口的高清楚图像效果;具有亮度高,可视距离远,保证舞台或商业区的较远区域都能观看到显示屏;u2003u2003最近有许多客户都在问在安装酒店LED显示屏,学校LED显示屏,会议室LED显示屏,商场LED显示屏,售楼部LED显示屏等,而全彩LED显示屏P2.5、P3和P4哪个更清楚效果更好?u2003u2003首要P后边的数值就是两个像素点或灯之距离离(单位是mm),因此P2.5、P3、P4的点距离分别是2.5mm、3mm、4mm。相同面积上的点数,P2.5要比发P3多,P3要比P4多,比如说1平方米面积上P2.5像素点数有160000个点,P3像素点大约有111111个点,而P4上只要62500个点,距离越小,像素越高,画面清楚度越好。因此P2.5、P3比P4显示效果更清楚。u2003u2003点距离越小,出产难度会相应增加,单位平方像素点增加,成本就增加,价格就会相对进步,所以P2.5、P3是比P4贵,但这儿并不是说P4就欠好,因为屏体上点距离越大适宜越远的观看的距离,一般有一个公式最佳可观看距离=点距离/(0.3~0.8),这是一个大约规模。由此公式核算P4LED显示屏适宜观看距离为5-13m,在这个规模内观看,效果也会非常好,足以满足日常实践显示效果。当然如果选用P2.5、P3LED显示屏的话,效果也会很好,但造价会高出一些。u2003u2003P2.5显示屏、P3全彩显示屏类型:清楚度很好,最佳观看距离在2-20米,价格相对较高,对像素/清楚度/效果要求较高的,可以选用这两个类型。u2003u2003P4全彩显示屏类型是现在市场上运用最多的类型,算得上是常用迈普光彩LED大屏幕类型,像素密度62500点/平米,最佳观看视距在4—20米,而且价格相对P2.5、P3来说有很大优势,现在许多高清LED显示屏是用此类型。u2003u2003值得留心的是:选择适宜的野外、室内全彩LED显示屏一定要考虑观看距离和屏体面积、价格等概括要素,这儿主张选择能满足日常实践显示运用就行,最适宜的才是最好的。u2003u2003全彩LED显示屏会不会伤眼睛?u2003u2003高密度全彩LED显示屏因其特有的高亮度、广色域、高对比度等优势在许多场合受到了人们的喜爱。一起,高密度LED显示屏对人眼的光生物安全性问题也受到了人们的重视。u2003u2003我国计量科学研究院依据现行国际标准,从视网膜蓝光危害和热危害两个方面,对一块P1.66的高密度LED显示屏的光生物安全性进行了测量,并选取了等离子电视和液晶电视样机作为对比。测验结论标明,在相同的亮度和白场条件下,在蓝光波段,虽然LED显示屏的峰值亮度比其他两种样品要高,但其窄波段的特征使其加权积分后所得的视网膜危害指数并不高于等离子电视和液晶电视,三种不同显示屏视网膜光生物安全测量数据没有显着差异,三台样品中,迈普光彩LED显示屏的测量效果甚至优于其他两种显示屏。u2003u2003需求留心的是,任何显示屏长期观看对人眼都有可能构成永久性危害,因此,不管选用什么方法的全彩显示屏,工作人员都要留心用眼清洁,养成出色的用眼习气,劳逸结合,自觉、主动地保护好视力。

BryanLeder人物介绍

BryanLederBryanLeder是一名演员,主要作品有《大都市人》、《GeographyClub》等。外文名:BryanLeder职业:演员代表作品:《大都市人》合作人物:玛琳·辛科

sealed怎么读

sealed读作 /siu02d0ld/。sealed的意思:是封闭的、密闭的,通常用于形容容器或物品被封闭,不让空气、水或其它物质进出。例如,一封密封的信(a sealed letter)、一瓶密封的药水(a sealed bottle of medicine)等。"sealed" 还可以作为动词,意思是封闭、密封,如 to seal a letter(封一封信封)、to seal a package(将包裹封好)、to seal a room(密封房间)等。例句:1、The box was tightly sealed to keep the contents safe during shipping(这个盒子被紧紧封着以在运输中保护其内容。)2、The letter he received was sealed with a red wax stamp(他收到的信用红色蜡封条封好。)3、The lab technician carefully sealed the vial of vaccine to prevent contamination(实验室技术人员小心翼翼地封好疫苗小瓶,以防止污染。)4、The researchers sealed the room to create a sterile environment for their experiments(研究人员密封房间,为他们的实验创造一个无菌环境。)5、If the evidence is properly sealed,it cannot be tampered with or contaminated(如果证据被正确地封好,就无法被篡改或污染。)Sealed的其他含义Sealed不仅可以描述容器或物品的封闭状态和防止污染或保密的措施,还可以表明文件已双方批准、表示限制访问的文书、描述封闭的情感或秘密等。这个词在不同领域、不同场合中都有广泛的应用,具体含义取决于语境。

音标sealed是什么单词

seal是原形

关于使用EF6.0框架报错The underlying provider failed on Open.

EF在操作数据库时要反复链接、断开数据库,如果连接字符串是windows 服务验证,而不是用的用户名和密码,那么尝试访问数据库的用户是NT AUTHORITYNETWORK SERVICE,这厮权限不够大,导致登录失败;在创建数据模型时不要以window身份创建,先在sql-server中县里新账户,用新账户创建数据模型就可以解决,WebConfig配置文件中换上对应的新账户就行。

travel与travelling与travels与travelled的区别

travel动词或名词;travelling现在分词;travels第三人称单数;travelled是过去分词

LED灯有哪些种类,户外广告灯箱用哪种

LED灯有以下几个种类:按结构分类有全环氧包封、金属底座环氧封、陶瓷底座环氧封及玻璃封等结构。从发光强度角分布图来分有高指向性、标准型和散射型三种。按出光处是否掺散射剂、有色可分成有色透明、无色透明、有色散射和无色散射。按安装方式分有:射灯、天花灯、吸顶灯、筒灯、球泡灯、灯管、平板灯。其中射灯又有:天花射灯,轨道射灯,一般小射灯,由于有些射灯(天花射灯)按它的按装方式(嵌入式到天花板上)所以很多工厂把天花射灯与筒灯合称为天花灯。户外广告灯箱用的是LED点阵进行照明,属于全环氧包封散射型平板灯。

led灯上的镇流器l和n哪个是火线

I是火线,(用反了也能正常工作)

led灯上的镇流器l和n哪个是火线

LED灯具是没有镇流器的,只有驱动电源。L是火线,N是零线。当开关闭合电路中施加220V 50HZ的交流电源时,电流流过镇流器,灯管灯丝启辉器给灯丝加热,当启动器的两个电极靠在一起,由于没有弧光放电,双金属片冷却,两极分开,由于电感镇流器呈感性,当电路突然中断时,在灯两端会产生持续时间约1ms的600V-1500V的脉冲电压。其确切的电压值取决于灯的类型,在放电的情况下,灯的两端电压立即下降,此时镇流器一方面对灯电流进行限制作用,另一方面使电源电压和灯的工作电流之间产生55。到65。的相位差,从而维持灯的二次启动电压,使灯能更稳定的工作。扩展资料:EEFL镇流器优点:(1)节能。荧光灯的电子镇流器,多使用20~60kHz频率供给灯管,使灯管光效比工频提高约10%(按长度为4尺的灯管),且自身功耗低,使灯的总输入功率下降约20%,有更佳的节能效果。(2)消除了频闪,发光更稳定。有利于提高视觉分辨率,提高功效;降低连续作业的视觉疲劳,有利于保护视力。(3)起点更可靠。预热灯管后一次起点成功,避免了多次起点。(4)功率因数高。符合国家标准的25W以上的荧光灯,其功率因数高于0.95。但应注意,国家标准对25W以下的灯管规定的谐波限值很高,以致使其功率因数下降到0.7~0.8。(5)稳定输入功率和输出光通量:高品质产品有良好的稳压性能,在电源、电压偏差很大时,仍能保持光源恒定功率,稳定光照度,有利于节能。(6)延长灯管寿命。高品质产品的恒功率和灯管电流下降,以及起点可靠等因素可使灯管寿命延长。(7)噪音低。高品质电子镇流器噪音可达35db以下,人们感觉不到噪音。(8)可以调光。对于需要调光的场所,如:原使用白炽灯或卤钨灯调光的场所,代之以高效荧光灯配可调光电子镇流器,可实现在2%~100%的大范围调光。
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