我的同事，电射天文学家艾瑞克·蔡森曾详细地描述过，只有有道德的文明可以避免自我毁灭。

My colleague, radio astronomer Eric Chaisson, has written at length that only "ethical" civilizations avoid destroying themselves.

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我的同事，电射天文学家艾瑞克·蔡森曾详细地描述过，只有有道德的文明可以避免自我毁灭。

"My colleague, radio astronomer Eric Chaisson, has written at length that only" ethical "civilizations avoid destroying themselves."

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在试图描述计算机科学时，Edsger Dijkstra认为，“计算机科学就是关于计算机，就像天文学就是关于望远镜一样。”

In attempting to describe computer science, Edsger Dijkstra claimed, "computer science is no more about computers than astronomy is about telescopes."

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