“自行”的概念、定义、翻译、参考文献-科学参考

单词	自行
释义	自行 Encyclopedia 理学天体测量学释 proper motion自行恒星在一年内沿着垂直于视线方向走过的距离对观测者所张的角度。其单位为角秒/年。 Astronomy 全称：proper motion。缩写：P.M.自行
随便看	equivalent moment of inertia equivalent neighborhood system equivalent normal series equivalent norms equivalent number of looks，ENL equivalent objects equivalent on shell diagram equivalent on-shell diagram equivalent orbital equivalent particles equivalent pendulum equivalent pendulum model equivalent percolation resistance equivalent permeability tensor of rock mass equivalent perturbation equivalent phase shift technology equivalent point equivalent points equivalent point system equivalent polygons equivalent power equivalent principle equivalent processes equivalent projection equivalent propositions

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。