单词:stationary electric field
单词:stationary electric field 相关文章
Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod
1. The government says US home prices fell in April at their fastest rates since 1991. Meanwhile, the Senate has overwhelmingly voted to speed up work on a 300-billion dollar foreclosure rescue plan. And a private survey says consumer confidence is
Scientists: Spiders Use Electric Fields to Move through Air Scientists have long wondered how spiders can use the webbing they make to fly. The 19th century English naturalist Charles Darwin commented on their behavior when very small spiders landed
If you want to lose weightreally lose it and keep it offlook around your house. How many TV sets are there? And is there an exercise bike or any other similar equipment? The answers could predict the success of your weight loss quest, according to a
Ordering more stationary A: Okay, then, Mary. We need 10 more loose-leaf binders, five pounds of heavy duty white paper, and what else did I say? B: Two boxes of transparencies for the over-head machines. A: Right. And Id like one of those new electr
第66期:In a Stationary Store Y:I'd like to see that pen,please. Y:我想看一看那支笔。 X:You mean fihis one? X:您说这支吗? Y:No,the other one in the brown case. Y:不是,是棕色盒子的那一支。 X:Oh,this one.Here. X:哦,这
Unit 105:Ride a bike 第105单元:骑脚踏车 It provides an excellent aerobic workout. 骑脚踏车是一种绝佳的有氧健身运动。 Ride indoors on a stationary bike or go outside and enjoy the scenery. 在室内踩健身脚踏车或骑脚
It's started: Robot uprising begins as China turns to machines to fill in gaps in the workforce 中国用机器填补劳动力短缺,机器人开始崛起 China is increasingly turning to machines to fill in gaps in its workforce. 中国正越来越多
This is Scientific American's 60-Second Science .I'm Cynthia Graber. This'll just take a minute. It's Valentine's Day, even for barnacles which are stuck to rocks. But evolution has endowed these stationary creatures with some curious abilities accor
科学家研究地球磁场 WASHINGTON Most of us hardly ever think about the Earth's magnetic field. We might be aware that it helps guide birds as they migrate and ensures that our compasses point north, but not realize that it is one of the crucia
Scientists Take on Earths Magnetic Field 马里兰大学实验室复刻地球磁场 WASHINGTON Most of us hardly ever think about the Earth's magnetic field. We might be aware that it helps guide birds as they migrate and ensures that our compasses p
Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve
Holloa! cried stationary Elijah, hailing us when we had removed a few paces. 嗨! 我刚走了几步,站在后面的以利亚又吆喝起来。 Never mind him, said I, Queequeg, come on. 别理他,咱们走。 我招呼着魁魁格。 But he st
穿越回过去真的有可能吗? Are you weirded out by wormholes? Flummoxed by your flux capacitor? Strap yourself in for this time-travel primer. 你是不是觉得虫洞很神奇呢?对你不稳定的电容器感到疑惑?那么就来学些关
In an age of contactless cards and paying with your smartphone, the idea of getting cash out of an ATM machine may seem a little dated. 在这个非接触式智能卡和智能手机付款盛行的时代,去ATM机取钱显得有点过时。 But now
I'm an English teacher in Japan and when I first came here I didn't really have very much money so I found things quite expensive and I went out looking for cheap bargains. I came across a shop and it called the 100 Yen shop. It's absolutely fantasti
Students at the Dalian Nationalities University in China have designed a bike washing machine that will wash your clothes while you pedal. The invention is aptly called Bike Washing Machine or BiWa, and it aims to bring health and convenience to our
It was nearly six o'clock, but only grey imperfect misty dawn, when we drew nigh the wharf. 我们走近码头的时候,已经快六点钟了,天还只蒙蒙亮。 There are some sailors running ahead there, if I see right, said I to Queequeg, it can