“质心力学时”的概念、定义、翻译、参考文献-科学参考

单词	质心力学时
释义	质心力学时 Encyclopedia 理学坐标时释 barycentric dynamical time质心力学时一些太阳系天体历表和运动方程中使用的质心天球参考系（BCRS）中的时间变量，简称TDB。 Astronomy 全称：Barycentric Dynamical Time。缩写：TDB质心力学时
随便看	non-measurable set non-membership relation non-mendelian inheritance non-Mendelian inheritence non metal non-metal nonmetal nonmetallic deposit non-metallic inclusions in steel nonmetallic materials nonmetallic materials for civil engineering non-metallic material winding repairation nonmetallic mineral filler nonmetallic mineral resources of China nonmetallic minerals nonmetallic ore for agricultural and animal busbandry nonmetallic ore for cement nonmetallic ore for gemstone nonmetallic ore for handicraft nonmetallic ore for jade nonmetallic ore for phaimaceutical industry nonmetallic ore for stone material nonmetallic ore for stuffing material nonmetallic ore resource non-metallic ultrasonic test instrument

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。