回复：钱学森给本科生的期终考题

来源: jinjing 于 2010-01-11 12:15:33 [] [旧帖] [给我悄悄话] 阅读数 : (136 bytes)

Are you sure this question was from 钱学森? If it was,钱was not a good Prof.,though he was a great scientist.
Question is not clear.

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• 回复：回复：钱学森给本科生的期终考题 -commentate- ♂ 给 commentate 发送悄悄话 (154 bytes) () 01/11/2010 postreply 12:26:05

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