“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	hazard chain hazard function hazard identification hazard identifications hazard model hazard of nanotechnology hazardous air pollutant hazardous cargo automatic inspection hazardous chemical hazardous chemical accident rescue hazardous chemical category hazardous chemical emergency rescue team hazardous chemical lifecycle hazardous chemicals hazardous chemicals accident hazardous chemicals and logistics management hazardous chemicals emergency recovery hazardous chemicals explosion hazardous chemicals leakage hazardous chemicals liable to produce explosives hazardous chemicals pollution prevention and control law hazardous chemicals production hazardous chemicals production plant wireless network hazardous chemicals registration hazardous chemicals safety

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。