当时英国皇家学会会长虎克认为万有引力与距离平方成反比是他先提出

来源: fourwaves 于 2018-08-22 11:52:23 [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.

Change Ad Consent