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

单词	national chemical measurement standard
释义	national chemical measurement standard Encyclopedia 工学〔化学计量基本概念〕释 national chemical measurement standard国家化学计量标准由国家计量行政部门考核、批准，具有确定的量值或量值范围和相关联的不确定度，用于实现化学成分量、物理化学特性量等的单位或量值，检定或校准其他化学计量标准或工作计量器具，对社会实施计量监督并具有公正作用的一类国家计量标准。
随便看	degree-of-freedom criteria degree of freedom of multielement and multi phase system degree of freedom of multielement and multi-phase system degree of hollowness degree of homogeneity degree of hydrolysis degree of impairment degree of injury degree of inseparability degree of insolvability degree of interlacing degree of ionization degree of isotacticity degree of kinship degree of mapping degree of nilpotency degree of node in tree degree of obscuration degree of order degree of orientation degree of parallelism degree of participation in medical damage degree of polarization degree of polarization measurement degree of polydispersity

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。