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earthen:这个肯定没问题,就是要考虑到价格的问题。 :upi2S_e (2012-03-15 08:25) +su>0'a
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半夜暴走徒:一个普通的开普勒望远镜大概多钱 (2012-03-17 23:11) /j0<x^m/
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