单词：rare earth cobalt permanent magnet
单词：rare earth cobalt permanent magnet 相关文章
Here are some of the top economic stories of two thousand ten. The world continued to struggle with a slow recovery from the financial crisis two years earlier. Greece admitted to bigger-than-expected budget deficits. Investors punished Greece with m
2010年VOA慢速英语(十二)月
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背诵为王第二册
Hello and Welcome to News and Reports on China Radio International. In This EditionThe international community, including China, Russia and the United States, has expressed concerns over North Korean's announcement of planned satellite launch next mo
2012CRI中国国际广播电台
Rare Astronomical Event to Occur June 5-6 Skywatchers on all seven continents will get a chance to witness an astronomical rarity on June 5 or 6, the transit of the planet Venus. It is likely the last time anyone alive today will have a chance to vie
VOA标准英语2012年(六月)
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
Scientific American(九)月
文本： S：Morning! Oh, how are you feeling? H：I...I didn't sleep very well. S：Oh, that's a shame.Shall I make us some coffee? Oh, look, you've got damp! H：Listen, last night...Why did you say you hadn't seen anything? I mean, I only saw the
跟着英剧练发音
Yesterday morning, New Zealanders were lucky to see a partial solar eclipse. This occurs when the moon passes between the sun and the earth. In Queensland, Australia, there was a total eclipse total darkness for about two minutes. A partial eclipse m
新西兰英语
Australian Scientists Propose a Telescope to Look Deep Underground Scientists in Australia want to build what they describe as a downward looking telescope to look for mineral wealth under the Earths surface. The telescope is really a project aimed a
2018年VOA慢速英语(十)月
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
CNN2012年(三)月
JULES VERNE: THE FATHER OF SCIENCE FICTION Jules Verne was born in 1828, in France. His father sent him to Paris to study law, but instead Verne developed his love for the theatre. To make a living, Verne had to write and sell stories. Jules spent ma
高中英语听力人教版第二册
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,
2012年VOA慢速英语(三)月
This is the VOA Special English Economics Report. Few people had ever heard of the natural elements known as rare earth metals before a recent dispute between China and Japan. Yet these metals are used in devices like smartphones, flat screens, hybri
2010年VOA慢速英语(十)月
This is the VOA Special English Economics Report. Today we continue our report on the group of chemical elements known as rare earth metals. These are mined from the earth and used to make technology from mobile phones to missiles. The United States
2010年VOA慢速英语(十)月
AS IT IS 2015-09-25 Rare 'Supermoon' Eclipse Only Days Away Many people are looking forward to something unusual in the skies this weekend. In fact, astronomers note that an event like this last happened 33 years ago! People will have a chance to wit
2015年VOA慢速英语(九)月
Radiation causes damage at the most fundamental level. It mutates the blueprint of life, DNA. Earth's magnetosphere is our crucial defense. It's so fundamental to our evolution and continued existence that the race is on to understand why it's changi
自然百科2011年
Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen
自然百科2011年
查看译文 tips: 怎样阅读才是有质量的阅读了？ 中英对照请点击【中英对照】查看译文请点击 【查看译文】进行核对。 The Biggest Magnet 最大的磁体 A: Whats the biggest magnet ever? B: Well, that's a great
英语听力文摘 English Digest
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
英语新闻
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
2016CRI中国国际广播电台
Hello and Welcome to News and Reports on China Radio International. In This Edition Chinese experts express concerns over a possible new round of quantitative easing monetary policies by the United States. US attorney-general says investigation is on
2011CRI中国国际广播电台