单词：acceleration of sidereal on mean solar time
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Masterpieces for the Gentleman The Watch A Swiss watch maker will tell you the only non-negotiable item in the world is time. It can't be bought, sold or traded, therefore its measurement is precious.
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The winter solstice events at Maeshowe demonstrate 梅萧韦古墓葬的冬至事件 an intimate and precise knowledge of 展现了古人 the sun's movements through the sky. 对太阳运行轨迹的精确了解 It was the first step on ourjourney to
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[00:04.22]Unit 9 Wheels Lesson 3 Clean Machines [00:08.80]Solar Car Racing [00:11.84]Solar racers have been coming to Australia [00:14.08]for years for the World Solar Car Challenge. [00:17.38]We interviewed Marie Logan from Brisbane. [00:20.65]Well,
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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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Unit 72 E-mail Is Here to Stay Is e-mail a blessing or a curse? Last month, after a week's vacation, I discovered 1,218 unread e-mail messages waiting in my inbox. I pretended to be dismayed, but secretly I was pleased. This is how we measure our wir
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By Jessica Berman Washington 03 August 2007 There's a period in the development of toddlers when they seem to learn a new word every day. There are different theories about why young children undergo what experts call a word spurt. But one psychologi
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[00:-1.00]Solar Car Racing [00:-2.00]Solar racers have been coming to Australia for years [00:-3.00]for years for the Word Solar Car Challenge. [00:-4.00]We interviewed Marie Logan from Brisbane. [00:-5.00]Well,the frist question I have for you is si
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Liberal Arts Students Tackle Solar Home Challenge For college students around the world, the race is on to design and build the most affordable, innovative and attractive solar-powered house. Teams contending for the top prize will reconstruct their
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ARI SHAPIRO, HOST: News reports about jellyfish often have an ominous flavor. (SOUNDBITE OF DOCUMENTARY, RISE OF THE JELLYFISH) UNIDENTIFIED MAN: Jellyfish are invading all over the world. The Baltic, the Black Sea, Australia, the Bering Sea, the wat
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By CCTV reporter Su Yuting Europe's biggest carmaker, Volkswagen, is recalling more than 2.6 million cars worldwide, including 640,000 vehicles in China. It's the largest recall VW has ever had to carry out in China -- and a potentially costly mistak
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JUDY WOODRUFF: But, first, this week marks the 100th anniversary of the publication of Albert Einstein's greatest work, a series of papers laying out the general theory of relativity. Gwen has a look at how it changed our understanding of the cosmos
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Do you know the time? 你知道时间吗？ Time is a very complex thing. Were surrounded by it, yet all too often we feel like we dont have enough of it. 时间是个非常复杂的东西，它无处不在，又常常让我们感觉不够用。 Some
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英语美文赏析 All you remember 你所记得的一切 All you remember 你所记得的一切 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 ti
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本篇阅读材料自言自语其实没那么可怕选自《时代》（原文标题：Talking to Yourself: Not So Crazy After All 2012.5.23）How and when you self-talk can increase your concentration and improve performance. 推荐信息 愚人节恶
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