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883 、 疲劳 fatigue 884 、 真空成形；真空吸塑 vacuumforming 885 、 真空成形机 vacuumformer 886 、 真空吸塑成形法 vacuummoulding 887 、 真实形状 trueshape 888 、 矩波形

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Passage Three Priscilla Ouchida’s “energy-efficient” house turned out to be a horrible dream. When she and her engineer husband married a few years ago, they built a $100,000, three-bedroom home

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美国有线新闻 CNN 2016-7-18

AZUZ: You might have heard the phrase Don`t spit into the wind. And if you haven`t, you can probably figure out why you shouldn`t do it. 你可能听说过不要随地吐痰的谚语。如果没有，你可能要弄清楚不应该这样做的原因。

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This is Scientific American - 60 seconds Science. I'm Synthia Graver. Got a minute. It's obivious that say turning the lights off saves money, but being reminded that using less energy saves money may not be the most effective way to motivate consume

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1. A senior U.S military official says efforts to defeat the Islamic State group are gaining momentum. Rear admiral Andrew Lewis said Wednesday that Iraqi security forces have begun capturing territory in several areas. 2. A treasury department actio

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Between 1970 and 1980, energy consumption by United States industry peaked and then declined, so that by 1980 total industrial use of energy was below the 1970 level even though total industrial output had grown substantially in the same period. Indu

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Between 1970 and 1980, energy consumption by United States industry peaked and then declined, so that by 1980 total industrial use of energy was below the 1970 level even though total industrial output had grown substantially in the same period. Indu