单词：instrument sensitivity
单词：instrument sensitivity 相关文章
From Chernobyl to La Oroya, Peru, the world is littered with toxic wastelands, the residue of human industry. For the past two years, the Blacksmith Institute, an environmental health organization based in New York City, has been cataloguing the worl
Scientific American(十)月
Technology being(1) developed at Pacific Northwest National Laboratory could put(2) explosive-sniffing(3) dogs out of business. Just like dogs, the technology can 'sniff' the air to detect vapors from explosives. Unlike dogs, it doesn't need to be fe
英语博客 A cup of English
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 1953 a student named Stanley Miller did an experiment showing that the simple chemicals present on the early Earth could give rise to the basic buildi
Scientific American(十)月
While experts are developing 'greener' alternative fuel sources, a group of undergrads are creating a more natural one. 当专家们还在研发更环保的燃料时，一群在校生已经开始制作一种天然的燃料。 The team is working towa
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I know not that any other author has hinted of the matter; 我不知道是否有其他作家提及此事， but by inference it seems to me that the sturgeon must be divided in the same way as the whale, 不过据我推断，鲟鱼也一定是按大鲸
白鲸记
But the bird has a voice, and with plaintive cries will make known her fear; 可是，鸟儿还有一声叫喊，会用阵阵的哀鸣来表示它的恐惧； but the fear of this vast dumb brute of the sea, was chained up and enchanted in him; 而这只
白鲸记