In 1952, the US Air Force began Project Blue Book, a study program on UFOs.

1952年，美国空军开始着手实施“蓝皮书计划”，这是一项针对不明飞行物的研究项目。

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In 1952, the US Air Force began Project Blue Book, a study program on UFOs.

1952年，美国空军开始着手实施施“蓝皮书计划”，这是一项针对不明飞行物的研究项目。

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This, together with a decline in sighting activity, led to the dismantling of Project Blue Book in 1969.

这份报告随着目击事件的减少，导致了 1969 年 Blue Book 计划的解散。

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The selected idea fails, and Project Blue Ocean fails.

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The first science project earmarked for Blue Gene is to model folding of human proteins.

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Bronx-born and Brooklyn-bred, he grew up in a federal housing project in the blue-collar East New York neighborhood and still betrays a Brooklyn accent.

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