“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	GNS representation GNSS GNSS antenna GNSS augmentation system GNSS based earth measuring GNSS based satellite orbit determination GNSS-based toll collection system GNSS for upper-air and wind sounding GNSS guidance GNSS & LBS Association of China GNSS leveling machine GNSS-MET system GNSS occultation exploration GNSS precise positioning GNSS Receiver GNSS receiver GNSS receiver OEM card GNSS steered clock GNSS-supported aerotriangulation GNSS surveying GNSS terminal GNSS time GNSS time and frequency transfer GNSS time service GNSS制导

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