Notice that this is cost-per-unit-volume
所有跟贴·加跟贴·新语丝读书论坛
送交者: 虎子 于 2010-06-15, 12:43:52:
回答: 一架波音大飞机好象和一架战斗机价格差不多一个数量级的 由 HHS 于 2010-06-15, 12:40:51:
And you should compare the cost of adding one unit volume to an airplane to that of adding one unit volume to a ship. Not comparing the numbers of two airplanes.
所有跟贴:
加跟贴