keywords&phrases是什么意思

Keywords：三角函数,角度,弧度……
本人初中生.弱弱地问一句……sin(45)指的是sin(45 rad)而不是sin(45°),对还是错……表示初中不引入弧度制让人何其纠结……

英语作文,my friend
作文不得少于5句,30个单词.
keywords：good friend cm tall stonger heavier kg
一定要是自己写的.急,在别处抄的不要,直接检举.

英语翻译
1.cast
2.keywords
3.review
4.title and main details
5.plot summary
6.user rating
7.memorable quotes
8.type of film

3 Keywords must be specified 急
字面意思不用解释

这是解释关键词
KEYWORDS：MEMORY JOURNEY AND DREAM CHILDREN FAMILY YEARBOOK ONE PERSON COUNT

根据上下文,写出句子
---Sorry,I don't know what keywords I should type in.__________
---No,not at all.______Just type in"new educational computer games".That' OK.
---Click on any interesting computer game you like.
---I see.______Thanks a lot.

英语翻译
Hello,
Keywords are the search terms (words or phrases) which trigger your ad,and they are critical to the success of your AdWords advertising.This email explains how you can choose the most effective keywords,assess your keyword performance and how this affects the amount you pay.
Top tips for great keywords
A great keyword is:
Ideally,2-3 words long
Specific (keywords that are too broad or general will not reach users as effectively as keywords that are highly targeted)
Directly related to the text in your ad
Directly related to the page your ad links to (specified by the destination URL)
What keywords should I choose?
First,look at your website content and write down every word,word combination or phrase that describes each category of your business.This is the starting point for creating your keyword lists.
Include all brand and product names as well as plurals,synonyms and alternate spellings for each word or phrase.Capitalization does not matter.Take out keywords that are very generic,irrelevant,or obscure.
Then,group your keywords into close-knit themes and create a new ad group for each theme.Put your keywords into these new ad groups.For example,if your campaign is for digital cameras,you can group together mini digital cameras in one ad group and SLR digital cameras in another.
Quality score relates to how relevant your ads and keywords are to searches on Google,which is determined by a number of things,including your CTR
Find out more about how keyword bidding and quality can affect your ads.
If you'd like more information about keywords,you can find all this and more in the online AdWords Beginner's Guide.
Sincerely,
Laura
The Google AdWords Team
P.S.Next week we'll cover everything you need to know to write eye-catching ad texts!
Was this email helpful?

急.英文翻译,不要谷歌
abstract:通过分析环境保护必要性和采取的措施来阐述旅游业环境保护的重要性.
keywords:旅游业；旅游环境质量；旅游环境保护
1.介绍
旅游业是随着人们生活水平不断提高、精神和物质需求不断进步而相应 发展 的产业.近年来***开放的***和高速发展的 经济 为***旅游业的发展创造了良好条件
,***旅游业得到了迅猛的发展,并由此产生了可观的经济效益.与此同时,***旅游业资源破坏、旅游区环境质量下降的 问题 也日益突出.为使旅游业持续、健康
、协调发展,文章主要 分析 了旅游环境问题产生的原因和旅游环境保护的对策,旨在为***旅游业发展的管理、决策提供服务.
2.***旅游产业分析
2.1.***旅游业环境保护现状

用 Keywords:get up,late ,breakfast ,do one’s homework,go shopping with sb.,
Keywords:get up,late ,breakfast ,do one’s homework,go shopping with sb.,do some cleaning,supper,watch TV.