“ultrasonic hardness tester”的概念、定义、翻译、参考文献-科学参考

单词	ultrasonic hardness tester
释义	ultrasonic hardness tester Encyclopedia 工学硬度计释 ultrasonic hardness tester超声硬度计利用超声接触阻抗法（UCI）进行硬度检测的携带式仪器。
随便看	Rieger Riehl's melanosis Riemann Riemann bilinear relations Riemann Brill Noether theorem Riemann-Brill-Noether theorem Riemann Christoffel curvature tensor Riemann-Christoffel curvature tensor Riemann-Christoffel tensor Riemann conditions Riemann conjecture Riemann connection Riemann continuation theorem Riemann crater Riemann curvature tensor Riemann curve theorem Riemann derivative Riemann differential equation Riemann ellipsoid Riemann equations Riemann existence theorem Riemann field Riemann-Finsler geometry Riemann foliation Riemann formula

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。