“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	Records of Changan City and Luoyang City in Tang Dynasty Records of Chinese Nation by Liu Shipei Records of Colored Wall-Covering Records of Common Sayings Records of Conversations in Summer Vacation Records of distinguishing falsehood in the Zhiyuan era Records of Donghua Records of Dreams of Glory Records of Eastern Slope Records of Emperor Kangxi's Words and Deeds Records of Emperor Qianlong's Words and Deeds records of emperors' comments on governance Records of Family Names Records of Famous Ceramics in Yangxian Records of Flower Growing Records of Foreign Countries Records of Garden Making Records of His Majesty's Sixtieth Birthday Celebrations Records of Imperial Examination Records of Insisting on Guests to Stay Records of Jinchuan Battle Records of Literary Delicacies Records of Literature Compositions Records of Luoyang City of Sui and Tang Dynasty Records of Manchu Family Names of the Eight Banners

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。