Deep impact first visited comet Tempel 1 in 2005, crashing an impactor into the comet to help scan its composition from afar.

“深度冲撞”号于2005年第一次造访了彗星Tempel 1，为了分析该彗星的构成，它抛出了一个冲撞器。

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Thirdly, for those simple books or those without deep meanings, you can scan over them, but for those meaningful and beneficial, you should read them intensively and remember to take notes.

再次，对于那些简单或是没有深刻意义的书，你可以浏览一下； 但是对于那些有意义且有用的书，你就应该大量阅读并做些笔记。

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Computers can scan satellite images of the Earth for tiny features, or search pictures from deep space for strange objects.

可以扫描地球卫星图片发现细小的特征，或者从遥远的星空寻找特殊物体；

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Their advanced sandbox technology, Deep Discovery, is available as an out-of-band gateway device (Deep Discovery Inspector) to scan all incoming traffic and a stand alone server (Deep Discovery Analyzer) to accept suspicious executables from email gateways and other sources.

FORBES: Security Intelligence Enters Mainstream