单词：high-voltage nuclear battery
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The new gasoline/electric hybrid Chevrolet Volt Today President Obama visits a U.S. auto plant that makes the battery-powered Chevrolet Volt. Some analysts think the Volt could revitalize the struggling American auto industry with its high-tech batte
VOA标准英语2010年(七)月
If you are like most people, you leave your laptop plugged in when you are near a plug. But according to the battery experts at Cadex Electronics (www.cadex.com) you shouldnt be doing that. They suggest unplugging it when it gets to an 80% charge and
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China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co
2017CRI中国国际广播电台
This is Scientists American sixty seconds. I am Santy Graver. Got a minute? They are called button cells, coin cells or watch batteries. By any names, this tiny round batteries pose a choking danger to kids. And if a kid succeeds in swallowing a butt
2014年Scientific American(十一)月
Huawei announced a major breakthrough in its research into Li-ion batteries, unveiling the world's first long-lifespan graphene-assisted Li-ion battery able to withstand high temperatures. 华为近日宣布了其在锂离子电池研究方面的一个
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Orewa High School in Auckland expects all year 9 students next year to have their own iPad, netbook or other mobile device like a Smart phone. The school says the most suitable is the iPad which costs between $800 and $1,000. The reason that the scho
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