Forty years ago, Alan Shepard hurtled into space to become the first U. S. astronaut and one of the most recognized people in the world.

40年前，艾伦·谢泼德进行了太空飞行，成为美国第一位太空人，同时也成为了世界最为知名的人物之一。

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Fifty years ago when Alan Shepard climbed inside his Mercury capsule to blast off into space, things were looking pretty grim for the fledgling U. S. space program.

五十年前，当艾伦·谢波德进入墨丘利号太空舱等待发射升空时，所有的一切对于羽翼未丰的美国太空计划都显得十分残酷。

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It wasn't personal: he also was the lone vote against Alan Greenspan 's confirmation for his final term leading the central bank.

这并不是出于私人因素：在对艾伦·格林斯潘担任其最后一届央行行长的投票中，他也投下了孤独的一张反对票。

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Millions of radio listeners heard a voice from the Cape Canaveral control room say: "This is it,Alan Shepard,there's no turning back.

VOA: special.2011.05.15

I was just reading Alan Greenspan's new book, The Age of Turbulence.

我刚读了艾伦·格林斯潘的新书,《动荡年代》

耶鲁公开课 - 金融市场课程节选

So, my final example is from Alan Davidson's lab, and Alan is an inorganic chemist -- he loved those transition metals and they're unique properties, and he designed this compound, it's called Cardiolite, Cardiolite and it's used in heart imaging.

最后一个例子是Alan，Davidson实验室，他是个无机化学家-,他喜欢研究过渡金属,和它们的奇特性质，他设计了这种化合物，叫做。

麻省理工公开课 - 化学原理课程节选

He chose Alan S. Richey to represent him and Jerold W. Barringer to represent Jo.

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"A very cumbersome, manual process is now very efficient, and we can do what-if scenarios for the first time, " says Alan S. Davis, a Southwest vice president.

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For starters, there's Alan Greenspan's absurdly tight fist.

FORBES: Digital Rules