送交者: squirrel 于 2008-01-11, 10:56:33:
回答: i think so. if you think of it as 8x10^3 m / 3x10^3 ms. 由 Enlighten 于 2008-01-11, 10:49:51:
加跟贴
标题:
内容: (BBCode使用说明)