单词：magnetic hystresis loss
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Artist Pieces Life Back Together After Katrina Six years ago, on August 29, Hurricane Katrina devastated communities along the Gulf of Mexico. Images of New Orleans spread around the world, but east of the Louisiana border, much of the Mississippi co
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By Melinda Smith Washington 12 April 2007 Watch report on Depression The World Health Organization estimates at least 121 million people worldwide suffer from depression. Now researchers with the American Psychiatric Association have found that many
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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
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Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve
英语听力文摘 English Digest
How Your VCR holds a Note VCR-盒式磁带录像机VCR是Video Cassette Recorder的缩写盒式磁带录像机。就功能上而言，它是使用空白录像带并加载录像机进行影像的录制及存储的监控系统设备。VCR作为许多晚会
英语听力文摘 English Digest