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If by suburb is meant an urban margin that grows more rapidly than its already developed interior, the process of suburbanization began during the emergence of the industrial city in the second quarter of the nineteenth century. Before that period t

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[00:00.00]The need for new markets, [00:02.17]and a solid defense system [00:04.26]from potential invasion [00:05.79]by the United States, [00:07.21]brought an acute awareness [00:08.96]to these diverse colonies that [00:10.92]they should look to [00

SSS 2008-12-18

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

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One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

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Come on, admit it -- you like living at breakneck speed. 好了，承认吧――你就喜欢忙得团团转。 Life in the Fast Lane James Gleick 1 We are in a rush. We are making haste. A compressio

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All you remember about your child being seven is the carpool schedule. You learned to apply makeup in two minutes and brush your teeth in the rearview mirror , because the only time you had to yourself was when you were stopped at red lights. You con

unit39 Turning Thoughts into Actions 化思想为行动

The World Cup final is about to begin. You want to turn on the TV and get to the right channel. So a small area of your brain called the motor cortex (运动皮层) processes and sends intricate electrical signals to your arm and hand, which allow yo

CNN 2010-05-16

Vicious weather in the southern plains. Two deadly tornadoes swirling in unison in southern Oklahoma. All of it caught on tape. There comes one right there. Look at them. They are all over. As you can hear, storm chasers were only reporters because i

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As if WWDC didnt give the Apple AAPL -0.28% bloggers enough to write about, Friday brought a fresh round of rumors about what everybody is calling the iWatch. By Saturday, Techmeme had collected 68 stories on the topic. You can ignore 65 of them. The

VOA标准英语10月-British Researchers Make Major Multiple Sclerosis

British scientists have found a drug used to fight leukemia that appears to stop multiple sclerosis in its early stages and restore lost function to patients. Although still in the clinical trial phase, it is being called by some, the most promising

EcoVelocity in London

EcoVelocity is an outdoor car show with a difference. This eco-conscious motor show celebrates all things green. High-performance vehicles at this year's EcoVelocity show in London prove that electric vehicles can look great and deliver blisteringand

2012年手机将实现无线充电

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The U.S. Transportation Department is looking into complaints from some Toyota owners who say they are still experiencing problems with unintended acceleration even after repairs to their recalled vehicles. The complaints raise concerns that safety i

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-Sheldon：Hey. 嗨。 -Leonard：Hey. 嗨。 -Sheldon：I've decided you're right. 我想明白了你说的对。 My career is not over. 我的事业并未终结。 -Leonard：Great! 好极了! -Sheldon：But since the arrival of Dennis Kim has rend

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By Anjana Pasricha New Delhi 28 April 2008 India has launched a record number of satellites into space in a single mission. The launch marks a milestone for the country's space program. Anjana Pasricha reports from New Delhi, India wants to emerge as

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All you remember about your child being an infant is the incredible awe you felt about the precious miracle you created. You remember having plenty of time to bestow all your wisdom and knowledge. You thought your child would take all of your advice

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Little Giants companies are leading technology-based SMEs with annual production value over 1 hundred million. They are mostly distributed in the field of strategic emerging industries including aerospace, biomedicine as well as new energy. Tianjin,

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But measuring movement is actually pretty tricky. Any small mistake in the measured acceleration results in position errors that grow with time. So even if youre standing still and just rocking in place, a navigation computer relying solely on the IM

【英语时差8,16】鞋子里的GPS（下）

But measuring movement is actually pretty tricky. Any small mistake in the measured acceleration results in position errors that grow with time. So even if youre standing still and just rocking in place, a navigation computer relying solely on the IM

赖世雄进阶英语词汇3500 Unit118

favorable a.有利的 Do not take any action until the situation is favorable to us.=Do not take any action until the situation is in our favor. 直到情况对我们有利之后再采取任何行动。 favorably adv.有利地 Teddy reviewed the musi