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

单词	primary hardness standard machine
释义	primary hardness standard machine Encyclopedia 工学[标准仪器设备]释 primary hardness standard machine基准硬度机复现和保存硬度量值单位，用作统一国家硬度量值的最高依据的硬度机。
随便看	haemotrophic mycoplasma，HM Haenzel Haerbin-changchun urban agglomeration Haerbin's early-modern city planning in tsarist Russia period，1898～1926 Haerbin Shi Haerbin Xinqu Hafele Keating experiment Hafele-Keating experiment Hafen City Haffner effect Hafnia alvei infection hafnium hafnium alloy Hafnium isotope geochemistry hafnium metallurgy hafnocene Hafsid Dynasty Hag Hagedorn equation of state Hagedorn temperature Hagedorn温度 Hage Gottfried Geingob Hagenbach correction Hagen crater Hagen-Rubens relation

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。