“precession constant”的概念、定义、翻译、参考文献-科学参考

单词	precession constant
释义	precession constant Encyclopedia 理学天文常数系统释 precession constant岁差常数黄经总岁差（由赤道岁差和黄道岁差两部分合成）时间展开式中线性项的系数。大约等于动力学春分点在一个回归世纪内沿黄道运动以角秒表示的角度值。它是天文常数之一。 Astronomy precession constant岁差常数
随便看	source [point] source point source population source position source program source quench Source range sub-system source rate source reactor source recognition source-reservoir combination source-reservoir pressure difference source resistance source restoration source rock source rock analysis source rock assessment source route sources and uses of credit funds source shape sources identification of aerosol source-sink landscape theory source-sink relationship source-size effect Sources of Ancient Poems

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。