linear displacement sensors meaning in English

直线位移传感器(2类)

In the beginning , the working principle , testing and data processing system of pdl micro - control material test machine is introduced ; then more attention is paid to the hardware system which is composed of high precision raster linear displacement sensor , high precision force sensor , the digital displaying sets , the interface equipments and the controlling circuits etc to perform the data collection and ensure the testing precision of the whole system
论文首先介绍了pdl材料拉伸试验机的工作原理、测试及数据处理系统；接着详细介绍了由高精度光栅线位移传感器和压力传感器、数显装置、接口装置及控制电路等组成的新的硬件系统，来完成数据采集，并保证整个系统的测试精度要求。