SSS 2008-09-30

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

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Scientific American(九)月

CNN 2012-03-16

Wanted to slice out little time,we wish everyone a happy pie day on this March 14th.413 Ok.let's go ahead to get today's headlines. Two primaries two caucuses,110 delegates,that's what was the stake yesterday in the race for the Republican presidenti

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CNN2012年(三)月

VOA慢速英语2012 Economics Report - Limits on Rare Earth Exports Get China in Trade Dispute

Economics Report - Limits on Rare Earth Exports Get China in Trade Dispute 经济报道 - 稀土限制使得中国陷入贸易纠纷 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 The United States,

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2012年VOA慢速英语(三)月

VOA标准英语2010年-Looking for ET

Scientists target tiny fossils in Martian soil in NASA's search for extraterrestrial life Rosanne Skirble | Washington, DC 30 April 2010 A proposed robotic lab would carry instruments for identifying and measuring the chemical building blocks for lif

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VOA标准英语2010年(五)月

China's rare earth policy justified: spokesman

BEIJING, March 15 (Xinhua) -- China's restrictions on rare earth exports are justified and are in line with World Trade Organization rules, Shen Danyang, spokesman for the Ministry of Commerce, said Thursday. The policy aims to protect resources and

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英语新闻

2016年CRI China to Complete Rare Earth Industry Restructuring by Mid-2016

China is the world's largest producer and exporter of rare-earths. These are elements which are critical to the manufacturing of high-tech products, including smartphones, wind turbines and car batteries, among other things. However, the rare-earth i

发表于:2019-02-14 / 阅读(41) / 评论(0)

2016CRI中国国际广播电台

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acetylene fluorochloride

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active thermal control