在Foundation框架中,NS可变类和不可变类有什么区别?

窑洞古城2022-10-04 11:39:541条回答

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气压为的是 共回答了23个问题 | 采纳率95.7%
例如NSString和NSMutableString,不可变类在实现中作为基本类,而可变类扩展了操作,但是效率会更低.查看原帖
1年前

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x09x09x09x09
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uild a solid foundation for
为......建立一个坚实的基础

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1.
But really, that which will happen will be a solid foundation for future achievements.
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Take a little time to learn the basics to build the solid foundation you need.
用一点时间学习基础知识,为你需要的打好基础。
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英语翻译
以人为本
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用户至上
put the customer's needs first
质量兴企
revitalize the enterprise through quality
全面开放
totally open to the world
不断创新
keep progrssive innovation
给些有建设性的意见。有地道的翻译愿受教。
都是四字词,想更工整地道地翻译成英语。书面语讲究下对称工整最起码
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People-oriented 以人为本
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Quality construcions 质量兴企
Fully open 全面开放
Constant innovation 不断创新
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英语阅读理解求答案
The poetry Foundation ,recently names American poet Jack Prelutsky as the nation’s first children’s poet laureate (桂冠诗人).The group created the award as a way to increase children’s love of poetry.
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a.two public readings
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d.My Sister Is a Werewolf
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帮我翻译一下这句话,不要直译the special containment procedures foundation还
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the special containment procedures foundation
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英语翻译The Lemelson Foundation awards several prizes yearly to
英语翻译
The Lemelson Foundation awards several prizes yearly to inventors in United States.The largest is the Lemelson–MIT Prize which was endowed in 1994 by Jerome H.Lemelson,and is administered through the Massachusetts Institute of Technology.The winner receives $500,000,making it the largest cash prize for invention in the U.S.
The Lemelson Foundation:莱梅尔逊基金会
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inventors in United States:是指美国国籍的发明者还是只是在美国的发明者
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真的没分了,抱歉
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就算我是路人巽 共回答了16个问题 | 采纳率100%
第一句话翻译成“莱梅尔逊基金会为美国的发明家设立了几个年度奖项”就可以了吧,因为后面也有说L-M Prize,还有winner,都表示这个是类似于为一个奖项竞争的那种.其余的话:
莱梅尔逊基金会为美国的发明家设立了几个年度奖项,其中最高奖项是莱梅尔逊奖,由杰罗姆•H•莱梅尔逊在1994年设立、麻省理工学院负责其评选颁发.该奖为发明家提供全美最高额的现金奖励,其获胜者会得到50万美元.
英语翻译The World Food Prize Foundation has given the prize ever
英语翻译
The World Food Prize Foundation has given the prize every year since 1987.
请标准翻译,
hf68991年前3
cd9614028 共回答了30个问题 | 采纳率96.7%
从1987年以来,世界粮食奖基金会奖每年都有.
英语翻译foundation english、mathematics and statistics、alternativ
英语翻译
foundation english、
mathematics and statistics、
alternative physical education、
multi-materials technology、
practical foods、
textiles technology、
drama、
architectural and product design、
淮南1年前3
flydriver 共回答了19个问题 | 采纳率89.5%
foundation english 基础英语(大学一年级课程)
mathematics and statistics 数理统计学
alternative physical education 选修体育
multi-materials technology 复合材料技术学
practical foods 实用食品
textiles technology 纺织技术学
drama 戏剧学
architectural and product design 建筑作品设计学
The American Foundation for the Blind has been trying to fig

The American Foundation for the Blind has been trying to figure out how to make public libraries __________to blind readers .
A.acceptable B.accessible C.alternative D.attractive
脑子似乎进水了1年前1
只会吃草的狮子 共回答了18个问题 | 采纳率77.8%
B

词义辨析。 A. 可接受的 B. 易接近的 ;可进入的 C.选择性的 D. 吸引人的。句意:美国盲人基金会一直在试图找出如何才能让公共图书馆对盲人也是可以进入的。故选B。
lay the foundation of/for
lay the foundation of/for
我想问1.这个搭配的the
2.of 和for 可以互换吗?他俩到底怎么用?愿闻其详.
小妖眯眯1年前2
相遇相信 共回答了22个问题 | 采纳率90.9%
首先看下面两句的区别.
lay the foundation for the house.为这个房子打地基.
lay the foundation of the house.打这个房子的地基
如果要说表达的意思,是一样的,不过介词for表对象,一般翻译为“为…”,介词of表所属关系,一般翻译为:“…的”.关键是对介词的理解,然后用不同的介词,以不同的方式表达同一个意思.
The statement of One Foundation helps you ____ where your mo
The statement of One Foundation helps you ____ where your money is going.
A.keep track of B.put up with
C.come up with D.fit in with
丁老块1年前1
关卿卿 共回答了12个问题 | 采纳率100%
B

考查动词短语辨析。keep track of:记录,跟踪;put up with: 忍受;come up with:赶上,提出,想起;fit in with: 适应。根据句意选B。
WWF这个缩写词在口语中是读W-W-F 还是 World Wildlife Foundation?
鼻涕姣1年前1
zzzzzz8 共回答了18个问题 | 采纳率83.3%
W-W-F
英语 If the foundation had not been strengthened 3 years ago,t
英语
If the foundation had not been strengthened 3 years ago,the lean in the tall building (cause) ____________its ruin.
His achievements are (compare) _______________ with the best.
zhx04051年前1
庄小呆 共回答了8个问题 | 采纳率87.5%
第一题填would have caused这题考查虚拟语气的用法,与过去相反的假设,虚拟条件句为If+主语+had +过去分词也就是题目的If the foundation had...,主句就用:主语+should,would,might,could+have done,答案是would have caused
第二题答案是compared,被动语态
请问 the Amway Charity Foundation是啥意思啊?
归位1年前3
我好困啊PBJ 共回答了22个问题 | 采纳率86.4%
安利慈善基金会
英语翻译Windows Vista established a very solid foundation,partic
英语翻译
Windows Vista established a very solid foundation,particularly on subsystems such as graphics,audio,and storage.Windows Server 2008 was built on that foundation and Windows 7 will be as well.Contrary to some speculation,Microsoft is not creating a new kernel for Windows 7.Rather,we are refining the kernel architecture and componentization model introduced in Windows Vista.听While these changes will increase our engineering agility,they will not impact the user experience or reduce application or hardware compatibility.In fact,one of our design goals for Windows 7 is that it will run on the recommended hardware we specifiedfor Windows Vista and that the applications and devices that work with Windows Vista will be compatible with Windows 7.
日到香炉冒紫烟1年前1
坏小子文 共回答了17个问题 | 采纳率94.1%
windows vista 已经建立了非常坚实的基础,尤其在像图形、声音、存储之类的子系统方面.windows server 2008和windows7 也是建立在这一基础上的.相反,与一些推测相比,微软并没有为windows7建造一个核心,而是,我们精炼...
but few people could afford them except as a foundation to b
but few people could afford them except as a foundation to build their wine drunks on
最好是自己翻得
言语堂堂1年前1
dd牛股 共回答了20个问题 | 采纳率90%
除了建立在酒鬼们的基础上外,很少有人能买的起.
那位大侠帮忙翻译一下Digging the foundation is the first phase of our b
那位大侠帮忙翻译一下Digging the foundation is the first phase of our building project.
H_yoka1年前5
bittytear 共回答了20个问题 | 采纳率85%
挖地基是我们这个建筑项目的第一步.
英语翻译he drawings show the engine foundation with the applied
英语翻译
he drawings show the engine foundation with the applied type of seating,which could be of rigidly,semi-resiliently or resiliently supported type.
yiwen12181年前2
samer163 共回答了19个问题 | 采纳率84.2%
绘图表现出了已应用的底座型号的引擎基础设施,支持此底座的型号可以为:坚硬的、半弹性的(弹性一般的)、或弹性很强的.
英语翻译Jouer ā la mode tous les jours foundation addict
ljb9361年前1
无名独木桥 共回答了17个问题 | 采纳率88.2%
「法文」整天玩服装日常会成瘾
请翻译:UN Foundation’s Global Crop Diversity Trust
lianght19841年前2
s野鬼k 共回答了18个问题 | 采纳率94.4%
联合国全球农作物多样化信托基金
Global Crop Diversity Trust 是透过获取长期资助为全球基因库(植物种原 (germplasm) 储存机构)和作物多样化采集提供支持的国际基金会.
英语翻译LONGITUDINAL GIRDERS ENGINE FOUNDATION TO BOTTOM
非心无语1年前3
风化2003 共回答了16个问题 | 采纳率100%
这是一整句吗?
应该是指纵桁、机座距船底的距离.
foundation bolt是什么意思
桃花干1年前1
静海岸1 共回答了28个问题 | 采纳率85.7%
foundation bolt

英[faunˈdeiʃən bəult]
美[faʊnˈdeʃən bolt]


地脚[基础]螺栓

[例句]Bedplate prepared for thrust sleeve type foundation bolt and resin chocks.推力套式底座螺栓和树脂块台板.
A recent study conducted by the Pine Street Foundation showe
A recent study conducted by the Pine Street Foundation showed that a dog’s nose may have the ability to detect cancer. A dog’s nose, which was the “medical device” used as part of the research, is believed to be among the world’s most powerful olfactory(嗅觉的) sensors. The study was conducted with 169 subjects 55 of which had been diagnosed as having lung cancer, 31 have breast cancer and 83 control subjects——people without cancer. During the study, five professionally trained scent dogs were used to distinguish between the breath samples of cancer patients and those who were healthy. With an average of 90% accuracy, the research was deemed a success.
The Pine Street Foundation conducted its research on the belief that cancer cells give off a different type of metabolic(新陈代谢) waste product than normal cells. According to the study, the difference is so great that it can be detected by a dog’s sense of smell, including both early and late stages of the disease.
In the conclusion of the study the Pine Street Foundation said that even ordinary dogs may be trained to identify the presence of cancer with only a breath sample. The organization also said that dogs can recognize the disease with astonishing amount accuracy and, finally, that the dog’s detection was not hindered(妨碍) by the presence of age, smoking or stage of cancer.
The Pine Street Foundation plans to continue their research and is currently seeking funding to launch new studies.
小题1:If we want to add several different detecting examples to the passage, we should write them
__________.
A.between paragraph 1 and paragraph 2 B.between paragraph 2 and paragraph 3
C.between paragraph 3 and paragraph 4 D.before paragraph 1 or after paragraph 4
小题2:The best title for this passage might be ______.
A.Dogs may smell cancer B.Why dogs can smell cancer
C.A Study on dogs’ special ability D.A study on breast cancer
小题3:Dogs can smell cancer because ____________.
A.they can detect faster than man B.their sense of smell is very sensitive
C.dogs metabolize the food slowly D.patients give off bad smell
小题4:People can know from the passage _________.
A.all dogs can be used to smell cancer
B.it’s not easy to find out cancer in the early stage
C.most of the research experiments are successful
D.dogs detect cancer by breathing and feeling
w5154b1年前1
为金乌鸦养qq 共回答了23个问题 | 采纳率95.7%
小题1:B
小题2:A
小题3:B
小题4:C


小题1:文章结构题。由全文内容叙述顺序知。
小题2:主旨大意题。由全文内容知。
小题3:细节理解题。由第一段第二句知。
小题4:推断题。由90% accuracy知。
英语翻译The Foundation says itsFellows program honors explorers
英语翻译
The Foundation says its
Fellows program honors explorers and risk-takers for doing interesting and
inventive work.
baowenjie8881年前3
一夜读鸣 共回答了13个问题 | 采纳率100%
该基金会申明其奖学金用于奖励那些从事具有趣味性和创新性工作的探索者和冒险家
many of the ideas which people tell us have no foundation ha
many of the ideas which people tell us have no foundation have to do with mixtures of foods.这里的
many of the ideas which people tell us have no foundation have to do with mixtures of foods.
这里的怎么出现两个have 应该如何理解这种句型 如何翻译
夏夜闻雨1年前2
ydb1964 共回答了19个问题 | 采纳率89.5%
句子分析:many of the ideas which people tell us have no foundation have to do with mixtures of foods.这是一个含有定语从句的复合句.其主句为:many of the ideas have to do with mixtures of foods.定语从...
求翻译 The purpose of the foundation is to cultivate and suppor
求翻译 The purpose of the foundation is to cultivate and support gifted artists, and at the same
time the foundation includes a trust to distribute scholarship to make sure that art students have opportunities to accomplish what they actually can. ‘a trust to distribute ’什么意思 谢谢
glgl219g1年前4
轻轻水上飞 共回答了22个问题 | 采纳率68.2%
信托基金来分配(奖学金)
The leaning Tower's foundation is just not deep or wide enou
The leaning Tower's foundation is just not deep or wide enough for the tower standing on it.在这句话中,stand为什么用ing形式而不用to do形式?不是enough to
一年几日1年前1
buoyance 共回答了13个问题 | 采纳率84.6%
enough for ,对.足够了,后面接名词或者ing形式,这里用standing来修饰tower,和enough to do没有关系,enough和to do没有必然联系,两者不是一定要在一起用的
Love is the foundation of everything in the world!的汉语意思出自哪里
落花人独立701年前2
非处的苦闷 共回答了23个问题 | 采纳率95.7%
爱是世界上所有一切的基础.
这样的语句其实没有什么特别的地方,而且到处都在用,所以很难知道原始出处.
英语翻译International foundation Centre,New Southgate Campus-Oak
英语翻译
International foundation Centre,New Southgate Campus-Oakleigh Road South,London N11 1QS,UK
如果可以的话还有以下地址:Hendon Campus,MUBS,The Borroughs,London NW4 4BT,UK
London NW4 4BT,
IchliebeMorzat1年前1
checongcong 共回答了21个问题 | 采纳率90.5%
英国伦敦邮编N11 1QS,屋里路南新南门校舍,国际创建(基金)中心.
英国伦敦邮编 NW4 4BT