“the IAU2009 system of astronomical constants”的概念、定义、翻译、参考文献-科学参考

单词	the IAU2009 system of astronomical constants
释义	the IAU2009 system of astronomical constants Encyclopedia 理学天文常数系统释 the IAU2009 system of astronomical constantsIAU2009天文常数系统国际天文学联合会（IAU）2009 B2决议采纳的天文常数系统，由IAU基本天文学部[注]下属的基本天文学数值标准工作组负责完成。
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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。