“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	volatile volatile basic nitrogen volatile compounds of aquatic product volatile data volatile elements volatile fatty acid volatile fission products volatile instant messaging volatile matter of coal volatile memory volatile oil volatile oil reservoir volatile organic compound emission of wood-based panels volatile organic compounds volatile organic compounds analysis volatile organic compounds catalytic oxidation treatment volatile organic compounds condensation treatment volatile organic compounds control volatile organic compounds membrane separation treatment volatile organic contaminants volatile permeable ink volatile powder volatile substance volatility volatility index

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。