“ephemeris astronomy”的概念、定义、翻译、参考文献-科学参考

单词	ephemeris astronomy
释义	ephemeris astronomy Encyclopedia 理学历书天文学释 ephemeris astronomy历书天文学天体力学的一个分支学科。主要学科任务是建立天体运动理论和开展天文历书服务。
随便看	component standard component star component system component theorem component tree component vector component velocity componentwise componentwise convergence componentwise multiplication composable arrows composable sequence composant composant of a point Compose a Rhyme in the Come Away Home composed mapping composed weave compose layout makeup typeset Composing Poems on the Way to Luoyang Compositae pasture diseases composite composite apparatus composite arc of iliac bone composite balance magnetic field composite bio-materials

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