[化] 马利肯电负度标

SSS 2010-03-11

Think arranged marriages are loveless? Not so, says psychologist Robert Epstein, a contributing editor for Scientific American MIND magazine. He spoke March 10 at the 92nd Street Ys Tribeca site in New York City: And theres even a study published in

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Scientific American(三)月

VOA慢速英语2014 AS IT IS 2014-04-09 Experts Liken Ukraine Crisis to Soviet's Afghanistan Invasion 专家比喻乌克兰危机为当年苏联入侵阿富汗

AS IT IS 2014-04-09 Experts Liken Ukraine Crisis to Soviet's Afghanistan Invasion 专家比喻乌克兰危机为当年苏联入侵阿富汗 Hello. Im Jim Tedder in Washington. Lets do it again! Its time to learn and improve your American English whil

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2014年VOA慢速英语(四)月

VOA标准英语2012--Small-Scale Irrigation Nets Large-Scale Payoff

Small-Scale Irrigation Nets Large-Scale Payoff A new study shows small-scale irrigation systems could boost farmers incomes by billions of dollars in sub-Saharan Africa and South Asia. The research was discussed at the World Water Week conference in

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VOA标准英语2012年(八月)

VOA常速英语2008年-Scientists Map Madagascar's Unique Species

By Jessica Berman Washington 10 April 2008 An international team of scientists has conducted an exhaustive survey of Madagascar's thousands of endangered plant and animal species. The information will be used to protect the creatures and vegetation t

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VOA常速英语2008年（四月）

学个词Learn a Word 第1700-large-scale

今天我们要学的词是 large-scale。Large-scale 大规模的。The police busted a large-scale drug-trafficking ring. 警察捕获了一个大型毒品走私集团。Russia said that it is not planning a large-scale evacuation of its citizens l

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英语单词荟萃

Israeli researcher develops nano-scale gyroscope

JERUSALEM, May 8 (Xinhua) -- Israeli researcher Jacob (Koby) Scheuer, from the Tel Aviv University (TAU) School of Electrical Engineering, has developed a nano-scale gyroscope, the Ha'aretz daily reported Sunday. Scheuer developed a new optic-fiber n

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