“point mass”的概念、定义、翻译、参考文献-科学参考

单词	point mass
释义	point mass Physics 力学 point mass, particle质点 Mathematics point mass点质量；点式群体 Astronomy point mass点质量
随便看	Pingyang Fujun Towers Pingyang Fujun Watchtowers Pingyang inscription Pingyang lunar new year woodblock prints on operatic motifs Pingyao ancient city Pingyao City Walls Pingyao Confucian Temple Pingyao County Ticket Office Museum Pingyao Gucheng Pingyao Museum Pingyao pure view gauze pavilion play person Pingyao Shilou Pingyao Shuanglin Temple Painted Sculpture Gallery Pingyao Xian Pingyin Xian Pingyin Yulin Lacebark Pine Group Pingyi Xian Pingyuan Xian Pingyu Xian pinhole pinhole array pinhole camera pinhole collimation pinhole filter pin-hole imaging

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