“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	Investigator investigator's brochure investing risk investiture Investiture Controversy investmental population migration investment casting investment casting core investment casting of superalloy investment category Investment Center investment coefficient investment estimate investment estimation investment for urban development investment fund of the insured investment funds law investment in grassland irrigation works investment insurance investment model investment of hydropower station investment of language human capital Investment of social medical insurance fund investment pattern of smart city investment payback period

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。