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
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
Hybrid cars are good for the environment. But scientists say that they might be bad for pedestrians. Because hybrids are so quiet, it can be hard for walkers to hear them until its too late. Listen to this. [quiet car sound] Thats a Toyota Prius mov
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 at the College of Wooster in Ohio say that you might have had a s
图片1 图片2 by Jason Marshall Do you frequently find yourself at restaurants with friends fumbling to figure out how to split the bill and calculate the tip? Have you ever resorted to seeking advice from your smart phone? Dont worry, we all have.
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
This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa
We humans are pretty good at communicating with sounds other than words. But how much of this is hard-wired, and how much do we pick up from others? To find out, researchers recorded the nonverbal sounds of people born deaf, as they responded to a ra
Blue whales off the California coast make calls that, sped up 10 times, sound like (sound of two-part call). The original is a wall-rattling frequency too low for us to hear. Scientists analyzed around 2,500 of those calls, and found that the second
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
NBA legend Dikembe Mutombo of Congo coaches a young Special Olympics athlete during a Basketball Without Borders community event in Dakar, Senegal, 5 Aug 2010 The National Basketball Association's Basketball Without Borders Africa program this year b
Now, our inherent wisdom doesn't have to be insider's knowledge. Kids already do a lot of learning from adults, and we have a lot to share. 我们先天的智慧,堪比内行人的知识。小孩已经从大人身上学到许多,而我们也有很多
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
reciprocal basis 互惠原则 reciprocal duty 互惠关税 reciprocity 互惠措施;互惠条件 recision of contract 撤销合约 recognizance 签保;担保 recognized clearing house 认可结算所
通知与确认 Acknowledgments Confirmations 通知对方接到来信Acknowledging receipt of letters1. Dear Mr/Ms,Thank you for your letter No. A-3 of 6th May, offeringus 6 UI-4 Viewdatas. We have passed it on to ourTechnical Department for their c
巧妙拒绝别人 Explore the possibility of a reciprocal favor 探索互惠互利的可能性 This will help the requester understand the impact of the request, and potentially reconsider. In other cases, you may actually get back more than you giv
We have had some quite serious podcasts recently, so here for a change is some complete nonsense. Early in the morning in the middle of the night, Two dead boys got up to fight. Back to back they faced each other Drew their swords and shot each other