单词：optoelectric
单词：optoelectric 相关文章
Exhale (Shoop Shoop) Whitney Houston Everyone falls in love sometime Sometimes it's wrong, and sometimes it's right For every win, someone must fail But there comes a point when When we exhale (yea, y
英语歌曲第八辑
Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra
国家地理2008年
Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod
(科普英语)Earth and Sky
A ban on electric bicycles in New York City is hurting delivery workers who depend on them to earn a living. Many of the workers are immigrants. Electric bicycles, or e-bikes, have foot-powered pedals like other bicycles. But they also have electric-
2018年VOA慢速英语(二)月
By Mike O'Sullivan Los Angeles 08 March 2006 watch US Population report Census officials say the U.S. population will reach 300 million in October, and that the 300th million American may well be a La
2006年VOA标准英语（三月）
BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist
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