单词：solar wind boundary
单词：solar wind boundary 相关文章
The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away
Scientific American(十)月
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola
Scientific American(七)月
Renewables can depress wholesale prices, eg, when the sun creates a midday jolt. This discourages investors in the flexible, gas-powered generation needed to provide backup for windless, cloudy days. The market dynamics are completely destroyed, says
经济学人财经系列
HELIGOLAND, Germany Of all the developed nations, few have pushed harder than Germany to find a solution to global warming. And towering symbols of that drive are appearing in the middle of the North Sea. 德国黑尔戈兰岛几乎没有哪个发达国
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Now, you might wonder, Come on, how much could five percentage points of global electricity be? 现在你可能会问，拜托，全球5%的电力能有多少？ Well, it turns out to be quite a bit. 事实证明还蛮多的。 It's the equivalent of
TED演讲国际问题篇
SANYA, Hainan, Dec. 4 (Xinhua) -- The five BRICS nations intend to focus and work together on developing alternative energy sources. When Bu Xiaolin, vice governor of China's coal-rich Inner Mongolia autonomous region, spoke over the weekend in front
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