纬圈密度,横列密度

course density的用法和样例:

例句

  1. The density goes down exponentially with height.分子密度随着高度的上升而指数衰减。
  2. Mercury has a much greater density than water.水银的密度比水大得多。

The World’s Top Ten Destinations 1 Ankor Wat is part of a vast network of around a hundred ancient temples hidden deep in the Cambodian 1) jungle. A thousand years ago, this was a 2) thriving wooden

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Only 9 percent of people in China live in an environment that meets the national air quality standards, according to a scientific journal article. 根据一篇科学期刊文章表示,只有9%的中国人生活在符合国家空气质量标准的环

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We all make resolutions every year to keep fit whether we have diabetes or not. The difference is that as people with diabetes, we need to keep fit, and we know that even if we don't do anything about it. One only has to read the medical abstracts an

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BEIJING, Jan. 29 (Xinhua) -- China's meteorological authority has introduced a new weather warning system for smog which will use readings of PM 2.5, a particle pollutant. The announcement comes as thick haze chokes many cities. The National Meteorol

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Air quality in 271 out of 338 prefecture-level or above citiesfailed to meet national standards on the Chinese New Year Eveto 6 am the next morning on Feb 8, primarily because ofpollution caused by firecrackers. 除夕至8日清晨6时期间,在全国

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发表于:2019-02-18 / 阅读(181) / 评论(0) 分类 英语新闻

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发表于:2019-02-26 / 阅读(155) / 评论(0) 分类 实用英语
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