Obama, a 47-year-old first term senator from Illinois, became a clear winner even in the early hours of the much-publicized Election Night when u.

奥巴马，47岁，来自伊利诺斯洲的首项参议员，已经在大选当晚提前几小时前很明显的赢得了选举胜利。

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They make up 24% of the U. s. science and engineering workforce holding bachelor 's degrees and 47% of science and engineering workers who have PhDs.

美国持有学士学位的科学与工程技术方面的工作人才24%都是移民，而持有博士学位的工作人员比例高达47%。

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They make up 24% of the U. s. science and engineering workforce holding bachelor 's degrees and 47% of science and engineering workers who have PhDs.

美国持有学士学位的科学与工程技术方面的工作人才24%都是移民，而持有博士学位的工作人员比例高达47%。

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