The spirit beneath the surface of many astronomical phenomena is gravitation.
许多天体物理现象其本质是与引力相关的。
参考来源 - 引力系统的统计力学·2,447,543篇论文数据,部分数据来源于NoteExpress
"the gravitation between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them"; "gravitation cannot be held responsible for people falling in love"
"irrigation by gravitation rather than by pumps"
"the gravitation of the middle class to the suburbs"
以上来源于: WordNet
N-UNCOUNT In physics, gravitation is the force which causes objects to be attracted towards each other because they have mass. 引力 [技术]
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