“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	device coordinate system device driver device for driving probe device for driving sample device for uncontrolled ascending car protection of lift device level design of MEMS device management device protection devices and instruments for stomatology device set condition devices for accelerating germinations devices for powder aerosols devices of first aid and treatment for heart devices to aid reverse manoeuvers-extended-range backing aid systems device testing of flue gas denitration device testing of flue gas desulfurization devide line Devil De Villedieu devil on two sticks Devils on the Doorstep devil's staircase devil staircase devil’s curve devil’s needle puzzle

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。