衍射极限

diffraction limit的用法和样例:

例句

  1. When we use the term diffraction limited, we must also qualify where in the telescope field of view this is happening.当我们使用衍射极限这个概念时,我们必须限定是在望远镜的哪一个部分。

This is the VOA Special English Agriculture Report. An international group has set the limit for next year's catch of bluefin tuna in the eastern Atlantic and Mediterranean Sea. The limit is just under thirteen thousand metric tons. That is six hundr

发表于:2018-12-01 / 阅读(244) / 评论(0) 分类 2010年VOA慢速英语(十二)月

A: Have you bought a bus pass yet? B: I'm not getting one. A: Why is that? B: It's cheaper if I don't buy one. A: Buying a bus pass will save you money. B: How do you figure that? A: There's no limit to how often you can use your bus pass. B: Really?

发表于:2018-12-02 / 阅读(227) / 评论(0) 分类 实用乘车英语

lip-----------嘴唇 lift-----------举起 link----------关系 little---------少的 limit---------限制 list-----------表 listen--------听

发表于:2018-12-16 / 阅读(203) / 评论(0) 分类 用听的背单词-基础2000MP3(h-z)

No Limit(曾经是35个国家排行榜的冠军单曲) Let me hear you say Yeah! 让我听到你们大声说 YEAH No no no no .... 没有... 没有 No no these's no limit 没有极限 No no no no .... 没有... 没有 No no these's no limit 没有极

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Economics Report - Debt Limit Talks Show Deeper Debate on Government's Duties 经济报道 - 美国债务上限谈判凸显政府职能争议 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Anyone wh

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Stakes High in US Battle Over Debt Limit The political wrangling in Washington about federal budgets is likely to get more intense as the stakes rise from billions of dollars to trillions. Some of the focus is changing from a squabble over government

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今天我们要学的词是age limit。 Age limit, 年龄限制。社交网站脸书网并不是任何人都能注册帐户的。 Facebook enforces an age limit of 13 years or older to register an account, 脸谱网规定,只有满13岁的人才能注

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We all have weaknesses and strengths no matter who we are. Sometimes the weaknesses seem to outweigh the strengths and sometimes its the other way around. Some people get sick easily. Some struggle to manage their finances properly. Some people are h

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By David Gollust State Department 22 February 2008 The United States Friday called on Turkey to limit the scope of its ground incursion in northern Iraq and bring it to an early conclusion. The operation is apparently the biggest of several recent Tu

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今天我们要学的词是age limit。 Age limit, 年龄限制。社交网站脸书网并不是任何人都能注册帐户的。 Facebook enforces an age limit of 13 years or older to register an account, 脸谱网规定,只有满13岁的人才能注

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limit 在美国当代英语语料库统计的20000个常用词中,limit作为动词的用法排在第1355位,在4.5亿个单词中出现了28901次; 频率最高的搭配: 名词搭配:limit numberlimit abilitylimit uselimit powerlimit amount

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By Jeffrey Young Washington, D.C. 04 January 2008 The U.S. Constitution requires presidents to leave office after a certain period of time, preventing endless control of the executive branch by one person and their party. In this segment of the How A

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WASHINGTON, Jan. 22 (Xinhua)-- The White House on Tuesday said they welcomed the House Republicans' proposal of a short-term extension of debt limit and the President would sign the bill if it could reach his desk. White House spokesman Jay Carney sa

发表于:2019-02-07 / 阅读(179) / 评论(0) 分类 英语新闻

Pre-Listening Vocabulary limit: the highest amount possible aid: something that helps you do something chunk: a group of similar things revise: to change or adapt The Limit of the Human Memory According to recent studies, the human mind has a memory

发表于:2019-02-08 / 阅读(206) / 评论(0) 分类 Facts-事实

ARI SHAPIRO, HOST: This Sunday in Utah, the legal blood alcohol limit will drop from .08 percent to .05. It's the lowest DUI limit in the country. Nicole Nixon of member station KUER has this report. NICOLE NIXON, BYLINE: A couple blocks on Main Stre

发表于:2019-02-13 / 阅读(129) / 评论(0) 分类 2018年NPR美国国家公共电台12月

All your life you've tried to fill a void, oh Fake a smile but couldn't find the joy, no They slow you down just to make sure you fit in, oh But they were wrong cause I wouldn't change a thing, no If you want somebody to love you You know I will If y

发表于:2019-02-18 / 阅读(244) / 评论(0) 分类 英文摇滚歌曲

WASHINGTON, Jan. 12 (Xinhua) -- U.S. President Barack Obama requested Congress Thursday to raise the federal government's borrowing limit by 1.2 trillion U.S. dollars, as the government is facing mounting budgetary pressure. It was the third and fina

发表于:2019-02-18 / 阅读(146) / 评论(0) 分类 英语新闻

President Barack Obama says a proposal by a group of Republican and Democratic senators represents a significant step toward a possible compromise on cutting government deficit spending and raising the debt ceiling. Speaking to reporters in the White

发表于:2019-02-19 / 阅读(167) / 评论(0) 分类 英语新闻

首先让我们了解一下新托福写作的考试形式,考查重点以及评分标准。新托福写作是听说读写四个单项中最后一个考察的项目,当其他几个单项考完之后广大考生可能就已经有些疲惫了,虽然

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别人想做但未做的事,你给予鼓励: 1. Give it a try. 1. 试一下吧。 2. Go for it. 2. 放手去做。 3. Why not? 3. 可以啊! 4. It's worth a shot. 4. 值得一试。 5. What are you waiting for? 5. 那还不赶快试试? 6. Wh

发表于:2019-03-11 / 阅读(232) / 评论(0) 分类 英语口语
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