我前两天也上网做过一些功课。你先把物理量及其单位搞清楚，我再和你讨论。

来源: TBz 于 2024-06-05 07:23:21 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.