“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	Food Standards Agency of Australia New Zealand food subjective evaluation method food supply chain food supply chain management food sweetener food thickener food thickening agent food traceability food traceability system food vacuole food waste food web food web magnification food web management for aquaculture food web of aquatic ecosystem foot foot-acupuncture therapy footage footage measurement of workings foot-and-mouth disease virus foot and mouth disease，FMD football football field football hooligan football of Summer Deaflympics

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。