[机] 阻尼共振内耗

By Melinda Smith Washington 30 March 2007 Since the mid-20th century the World Health Organization reports there has been an increase in the rate of breast cancer among women in developed countries. For decades, doctors have urged their patients to d

发表于:2018-12-16 / 阅读(126) / 评论(0) 分类 2007年VOA标准英语(三月)

Searching the Internet can be a totally exhausting experience, as you bounce from one site to another to another, sometimes until you cant remember what you were looking for in the first place. But according to scientists at U.C.L.A., all that virtua

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 Scientific American(十)月

By Gary Thomas Washington 22 August 2007 The Central Intelligence Agency has released a report sharply critical of the CIA's senior leadership in the years and months leading up to the terrorist attacks of September 11, 2001. As VOA correspondent Gar

发表于:2019-01-13 / 阅读(83) / 评论(0) 分类 2007年VOA标准英语(八月)

By Ravi Khanna Washington 09 November 2007 The current political turmoil in Pakistan has raised concerns in Washington that the Pakistani government is no longer focused on battling Islamic militants and it is making the country an even safer haven f

发表于:2019-01-30 / 阅读(47) / 评论(0) 分类 VOA常速英语2007年(十一月)

And if the economy is based on export of goods, of materials, manufactured goods, then you are dependent on the rest of the world for your economy. But if you spur internal growth by doing innovation and creating things and then selling to each oth

发表于:2019-02-21 / 阅读(37) / 评论(0) 分类 2016CRI中国国际广播电台

今天我们要学的词是 internal. Internal 形容词,内部的。Britain's MI5 has begun an internal review of how it handled intelligence on the Manchester suicide bomber. 英国军情五处开始展开内部审查,看军情五处对所掌握的

发表于:2019-03-07 / 阅读(130) / 评论(0) 分类 英语单词荟萃