单词：acoustical reciprocal theorem
单词：acoustical reciprocal theorem 相关文章
This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Can you name those notes? Probably not. Perhaps one in ten thousand speakers of European languages has perfect pitch - the ability to recognize a note without having hea
Scientific American(五)月
This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists
Scientific American(五)月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg
Scientific American(十一)月
Country Music Ladies Put Men in Their Place American country music lyrics often describe women as they might appear in mens dreams. This is especially true of songs by many male artists. But the songs by Maddie Marlow and Tae Dye are different. The t
2015年VOA慢速英语(九)月
今天我们要学的词是 reciprocal. Reciprocal 作为形容词，有互惠的意思。U.S. President Donald Trump emphasized in his Davos speech that the United States supports free trade, but it needs to be fair and reciprocal. 美国总统川普在
英语单词荟萃