标签：microscope 相关文章

VOA标准英语2015--高分辨率显微镜让研究员更好观察小世界

High-Resolution Microscope Brings Tiny Worlds Closer to Researchers 高分辨率显微镜让研究员更好观察小世界 Modern microelectronic devices contain billions of components crammed into thumbnail-size flakes. The chemical industry uses na

发表于:2018-12-08 / 阅读(38) / 评论(0) 分类 VOA标准英语2015年(十月)

VOA常速英语2015--新相机记录看似无形的运动

New Camera Records Invisible Motion 新相机记录看似无形的运动 The world around us is in constant motion, even objects that seem to be perfectly still. Researchers at the Massachusetts Institute of Technology use a special camera that offer

发表于:2018-12-16 / 阅读(52) / 评论(0) 分类 VOA标准英语2015年(二月)

2007年VOA标准英语-US-Russia Relations Under Microscope

By Bill Rodgers Washington 22 June 2007 A top U.S. diplomat says Washington is puzzled and concerned by some recent Russian statements and actions -- but wants to work with Moscow to address problems. The diplomat's comment came on a day when lawmake

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 2007年VOA标准英语（六月）

2006年VOA标准英语-New TB Test Yields Quicker Results

By Jessica Berman Washington 12 October 2006 Researchers have developed a new tuberculosis test that makes a diagnosis possible in a fraction of the time it can take using other methods. Experts say the test would be especially useful in the develop

发表于:2019-01-31 / 阅读(121) / 评论(0) 分类 2006年VOA标准英语（十月）
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