单词：21cm radio emission
单词：21cm radio emission 相关文章
Lesson 43 Are there strangers in space? 宇宙中有外星人吗？ First listen and then answer the following question. 听录音，然后回答以下问题。 What does the 'uniquely rational way' for us to communicate with other intelligent beings
新概念英语第四册
Federal Labour has made up more ground in the latest Newspoll. Its primary vote is up 2 per cent to 35 per cent. Now that's on top of a 5 per cent jump in the previous poll, but Julia Gillard and Tony Abbott remain equally unpopular with voters. The
澳洲ABC新闻快递2012年
Secret Love 美国天才少女《暗恋》情歌 演唱者：jojo 梦工厂电影《鲨鱼黑帮》（Shark Tale）插曲。好像已经和电影情节没有什么直接关系，只是一个暗恋中的女孩，看到喜欢的男声和其他女孩子在
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The capital will raise its automobile-emission standards on Friday, making them the strictest in the nation. The Beijing Environmental Protection Bureau said the move is expected to reduce auto pollution by 40 percent to better improve the hazardous
英闻天下
It's happen to all of us, around you cellphone, your boss are saying something important, and then the connection instruction to drop out. Now a team of physicist at Demag lead by A U P, has demonstrated that a new kind of radio tuner that is far mor
Scientific American(八)月
You have the perfect voice for this job. You speak very clearly and you're easy to understand. You're funny and you will attract a wide audience of listeners. If you can get along with the co-host, this job is yours. What kind of job is the person in
推理类英语听力
Diesel fuel in the US and the fumes from diesel engines are about to get a whole lot cleaner. As of today, the Environmental Protection Agency is requiring much of the diesel in the country to have 97% less sulfur in it. It's the start of a project
2006年NPR美国国家公共电台
The One With a Chick. And a Duck. 本集简介： The diner where Monica works puts their staff on roller-skates; Monica crashes into Rachel while skating; Rachel's injuries are worse than first believed. Pete buys a restaurant and offers Monica a job
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Graphene: The Material of the 21st Century 21世纪的新材料石墨烯 Graphene is a type of graphite mineral. Experts often call it 'The Material of the 21st Century' because of its special properties. Some U.S. companies are already using graphen
2015年VOA慢速英语(三)月
Negotiators at the climate summit in Copenhagen last month failed to agree on a new climate change treaty to replace the current Kyoto Protocol before it expires in 2012. Jonathan Lash is president of World Resources Institute, an environmental polic
VOA标准英语2010年(一月)
India says it is satisfied with outcome of the recent climate summit at Copenhagen, which did not spell out specific targets for reducing carbon emissions. India is hailing the united position adopted by big developing countries at the summit. Anjana
VOA标准英语2009年(十二月)
By Nancy-Amelia Collins Bali, Indonesia 13 December 2007 The head of the United Nations Climate Change Conference is warning that a deadlock between the United States and the European Union over greenhouse gas emission targets may derail the conferen
VOA常速英语2007年（十二月）
Briefing a news conference on Thursday, Xie Zhenhua, China's special representative on climate change, said the country is exploring emissions trading mechanisms. China now is piloting emission trading in seven provinces or municipalities, and the wo
2015CRI中国国际广播电台
The mystery of what could count for the quasars' extraordinary brightness was the hot topic in astronomy during the 1960s. As astronomers began to grapple with the new enigmatic objects that had been found by the radio telescopes, one astronomer, kee
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Top 5 Songs for Week Ending Dec. 21 12月21日本周流行单曲热榜前五名 Were checking out the five most popular songs in the Billboard Hot 100 pop singles chart, for the week ending December 21, 2013. 我们来了解一下本周末即2013年1
VOA常速英语2013年(十二月)
Heavy downpour in Guangdong has made daily lives of local residents inconvenient. However that did not deter a couple from Jiangmen city from tying the knot on Thursday. The bride and groom braved the rain for their 30-table wedding reception, hostin
CCTV9英语新闻2014年05月
心跳电台 Heartbeat Radio Sondre Lerche Tell me what you think about this song? Sue me if you reckon it's too long. I wanna know how you really feel. Tell me what, you think this is funny? Spending all my time and my money. Trying to find How you
好听的英文歌曲
China is now on the front lines of efforts to develop energy sources that can balance the goals of sustaining economic growth and protecting the environment. Decisive action is needed to strengthen policy frameworks across the country to reach that g
cctv9英语新闻2015年
The capital will raise its automobile-emission standards on Friday, making them the strictest in the nation. The Beijing Environmental Protection Bureau said the move is expected to reduce auto pollution by 40 percent to better improve the hazardous
英闻天下