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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We call a project “blue sky” when it’s unrealistic by today’s standards, but could be a great direction tomorrow.

当某个项目按照目前的标准来衡量并不现实却可能在未来成为趋势时，我们称其“蓝天”。

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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。

youdao

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.

CNN: Big Blue's SMASHing Blue Gene

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.

FORBES: Magazine Article