[计] 坐标变换
[化] 坐标变换

SSS 2009-03-09

This is Scientific American's 60-Second Science. I'm Christie Nicholson. This will just take a minute. Most of us know we save energy when we put our idle computers to sleep. But what about the servers that run data centers? Every cell phone call, AT

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Scientific American(三)月

2006年VOA标准英语-British General: Iraq Foreign Troop Reduct

By Al Pessin Pentagon 12 May 2006 US troops in Baghdad (File photo) In spite of the further delay in forming a new Iraqi government Friday, the second-ranking officer in the U.S.-led Iraq coalition sa

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2006年VOA标准英语（五月）

Effective Investment Key to Economic Transformation

Participants take part in the discussion China's Changing Economy during the 2013 Fortune Global Forum in Chengdu, capital of southwest China's Sichuan Province, June 7, 2013. [Photo: Xinhua/Xue Yubin] China's economy is changing. While most particip

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世界各地新闻集锦

VOA标准英语2010年-Relief Efforts in Haiti Slowly Take Ho

Aid workers in Haiti say earthquake relief efforts are starting to make an impact in Port-au-Prince. But frustration is mounting among Haitians who say they still have no access to food, water and medical treatment. Fresh water is being delivered to

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VOA标准英语2010年(一月)

China's economic transformation "great": Luxembourg minister

China's economic transformation great: Luxembourg minister LUXEMBOURG, Nov. 6 (Xinhua) -- Luxembourg Minister of the Economy and Foreign Trade Etienne Schneider said on Tuesday China's economic transformation has been great. The invention and researc

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英语新闻

学个词 Learn a Word-VOA英语教学 2531 coordinate

今天我们要学的词是 coordinate. Coordinate 动词，协调。Islamic nations pledged to establish a policy center in Istanbul to coordinate anti-terrorism efforts. 伊斯兰国家保证要在伊斯坦布尔建议一个政策中心，协同打击

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