以机械原理为基础的应变计是刻痕应变计。
The strain gage based on mechanical principles is the scratch gage .
利用电阻应变计开发的动应变测量系统，成功的实现了机械振动信号的动态检测。
The dynamic test in signal detection of mechanical vibration are realized by using resistance strain gauges.
以机械原理为基础的应变计是刻痕应变计。
The strain gage based on mechanical principles is the scratch gage.
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