“primary standard machine of vickers hardness”的概念、定义、翻译、参考文献-科学参考

单词	primary standard machine of vickers hardness
释义	primary standard machine of vickers hardness Encyclopedia 工学硬度计量技术释 primary standard machine of vickers hardness维氏硬度基准装置用来复现和保存维氏硬度量值单位，用作统一中国维氏硬度值的最高依据的装置。由中国计量行政部门批准建立。
随便看	modular Lie algebra modular Lie superalgebra modular manufacturing modular matrix modular method modular monadic semantics modular operator modular organism modular pair modular polymerization modular population modular prime counting function modular programming modular property modular reactor modular representation modular representation theory modular set modular S matrix modular space modular square root modular substitution modular surface modular symbol modular system

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。