如果你把月球引力忽略,地球上就没有潮汐了,dat is too simple

来源: QT毛驴++ 于 2008-02-23 20:17:49 [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.