“国家化学计量标准”的概念、定义、翻译、参考文献-科学参考

单词	国家化学计量标准
释义	国家化学计量标准 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	partial differential equation partial-differential-equation design method partial differential equation method partial differential equation of elliptic type partial differential equation of first order partial differential equation of higher order partial differential equation of hyperbolic type partial differential equation of Kovalevskaya type partial differential equation of mixed type partial differential equation of parabolic type partial differential equation of second order partial differential equation on a manifold partial differential equation surfaces partial differential equation [system] of Kovalevskaya type partial differential equation system of Kovalevskaya type partial differential field partial differential inequality partial differential operator partial differentiation partial discharge partial discharge extinction voltage partial discharge measurement partial discharge starting voltage partial disjunction partial dislocation

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。