常見例句雙語例句According to the law of conservation of angular momentum, it is proved quantitatively, that planets and satellites are formed through the nebulous ring in this paper.根據(jù)角動量守恒定律，筆者通過計算，定量的論証了行量、衛(wèi)星是經(jīng)過星雲(yún)環(huán)形成的。 返回 nebulous ring