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

单词	the primary standard for brinell hardness machine
释义	the primary standard for brinell hardness machine Encyclopedia 工学硬度计量技术释 the primary standard for brinell hardness machine布氏硬度基准装置用来复现和保存布氏硬度量值单位，用作统一中国布氏硬度值的最高依据装置。
随便看	optical transfer function optical transfer function measurement optical transform optical transient current spectroscopy optical transistor optical transmission hierarchy，OTH optical transmittance tester optical transmitter optical transport network optical trap optical trapping optical trapping force optical truss optical tunneling optical tweezer optical tweezers optical variable optical vibration isolation platform optical visual binary optical vortex optical wave optical wave gauge optical waveguide optical waveguide active device optical waveguide fiber

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。