Luckily, researchers at the University of Technology (UT) in Lima, Peru heard about their problem and found a wonderful solution.

幸运的是，秘鲁利马理工大学的研究人员听说了他们的问题，并找到了一个很棒的解决方案。

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The university gave ten Plant Lamps to the villagers of Nuevo Saposoa on October 20. So far, they have been a huge success! Elmer Ramirez, the UT professor who invented the lamp, believes the Plant Lamp could help improve the lives of many people, especially small rainforest communities, 42% of whom have no electricity.

10月20日，我校向新萨摩萨的村民赠送了10盏植物灯。到目前为止，它们已经取得了巨大的成功！发明这盏灯的德克萨斯大学教授埃尔默·拉米雷斯认为，植物灯可以帮助改善许多人的生活，特别是小型雨林社区的人们，那里42%的人不能使用电。

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It will end at 21:02 UT (10:02 p.m. GMT) when the shadow will once again be seen to slip slowly across the surface of the moon.

它会在21：02分(世界时上午10：02分)结束。这时我们能看到影子又会缓慢的从月球表面移开。

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This piston is being brought out, so we expect 0 the work to be negative, negative. And we start o V2 ut with zero volume. We end up with a volume p2 of V2, and the external pressure is constant to p2.

所以我们可以想象功是负的,开始的时候体积是,最终的容积是,外界的压力恒为。

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Gene Powell, chairman of the UT System Board of Regents, said the partnership with edX is intended to help them reach a "wide range of students, raise graduation rates and cut the cost of higher education".

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Suppose you were suffering long term unemployment, and you had maxed o ut all of your credit cards.

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Al is the independent member of the Board of Directors of Adaptive Computing in Provo, UT and a member of several technology advisory boards.

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