“national measurement primary standard”的概念、定义、翻译、参考文献-科学参考

单词	national measurement primary standard
释义	national measurement primary standard Encyclopedia 工学国家测量基准释 national measurement primary standard国家测量基准为了定义、实现、保存或复现量的单位或一个或多个量值，用作参考的实物量具、测量仪器、标准物质或测量系统。又称国家计量基准或国家基准。
随便看	Legendre transform Legendre transformation Legendre’s polynomials Legends and Anecdotes over Yangze and Huaihe River Regions Legend Scholar Lun Wenxu Legends of Bimo Master Ashy Lazzi Legends of chieftain Nurhaci (Kundulun Khan) Le Gentil crater Leges Barbarorum Legextension bar leg formula legg-calve-perthes disease Legg-Calvé-Perthes disease Leggett, Anthony James Leggett equations leghemoglobin Leghorn legibility of city legionella legionella pneumonia legionellosis legislation Legislation for Mongols and Tibetan Legislation Law of the People's Republic of China legislation of social insurance in Germany

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。