射束反射器,波束反射器

beam reflector的用法和样例:

例句

  1. Reflector is made by imported safe aluminum from Germany and is high in reflectivity.反射器材料采用进口德国安铝,反射效率更高。
  2. He also recommends attaching some lips to two sides of the reflector, to reduce radiation from the rear lobes.同时为了减少背面突出部分的反射,他也推荐反射器的两边某些部分需要连接到。

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发表于:2018-12-24 / 阅读(175) / 评论(0) 分类 Scientific American(四)月

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发表于:2019-01-02 / 阅读(189) / 评论(0) 分类 60秒科学

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发表于:2019-01-03 / 阅读(175) / 评论(0) 分类 电信英语

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发表于:2019-01-15 / 阅读(184) / 评论(0) 分类 英语情景对话-旅馆

A: Hello! How do I restock my minibar? B: You've drunk everything, sir? A: I finished it all. B: Do you want the whole minibar, or just certain items? A: Send me up three bottles each of Perrier and Jim Beam. B: That's three Jim Beams and three Perri

发表于:2019-01-15 / 阅读(193) / 评论(0) 分类 英语情景对话-旅馆

A: My minibar is completely empty. B: Everything in that minibar has been consumed, sir? A: Everything's gone. B: Is there anything special you'd like? A: Just bring me three bottles each of Jim Beam and Perrier. B: Okay, sir. Three of each. Would yo

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发表于:2019-01-19 / 阅读(195) / 评论(0) 分类 2016CRI中国国际广播电台

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发表于:2019-01-22 / 阅读(165) / 评论(0) 分类 英文短篇故事(纽约)

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(196) / 评论(0) 分类 VOA常速英语2007年(十一月)

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发表于:2019-02-02 / 阅读(130) / 评论(0) 分类 实用英语

If you are someone who types a furious text message, only to reconsider and edit it before hitting send, you may be in trouble. The Beam Messenger app shows everything another person is typing in a text message as they type it. This means that if you

发表于:2019-02-06 / 阅读(137) / 评论(0) 分类 阅读空间

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2-Methoxy-Obtusifolin
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