“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	quasi-ergodic principle quasi-ergodic system quasi-eruptive prominence quasi-Euclidean space quasi-everywhere quasi-exact category quasi-excellent ring quasi-expectation quasi-experiment quasi-experimental design quasi-factor quasi Fermi level quasi-Fermi level quasi-fibration quasi-field quasi-filtered category quasi-finite quasi-finite extension quasi-finite morphism quasi fission quasi-fission quasi flow in pores quasi-fluxon quasi-free quasi-free basis

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。