单词：disruptive electric field strength
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[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: The Earthquake is chasing you... Drive your SUV as fast as possible and get out of the city and highway.
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Scientists: Spiders Use Electric Fields to Move through Air Scientists have long wondered how spiders can use the webbing they make to fly. The 19th century English naturalist Charles Darwin commented on their behavior when very small spiders landed
2018年VOA慢速英语(七)月
Scientists believe that the South Atlantic Anomaly, is a sign of a global decline in the magnetic field. Evidence of this comes from a surprising source. Dr. Mimi Hill uses pottery to uncover the secrets of earth's magnetic past. Ancient pots tell us
自然百科2011年
Larry Newitt from the Geological Survey of Canada charts the movement of the magnetic North Pole as it wanders the icy reaches of northern Canada. To determine where the magnetic pole / is, we can't rely on one single observation. What I try to do is
自然百科2011年
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
French business 法国商业 Outside in 由外到内 France just might be growing more tolerant of disruptive outsider 法国也许会对外来的破坏分子越发纵容 THE French do have a word for entrepreneur, pace George Bush, and more than 500
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