The latter section of this paper introduces a new-type machine tool revolution precisionmeasuring instrument after analyzing current revolution precisionmeasuringtechnology.
本文后半部分在分析了当前的机床回转精度检测技术后，介绍了一种新型的机床回转精度检测仪。
2
With its narrow operating frequency scope and low measuringprecision, traditional phase difference measuring system can 't satisfy the requirement of modern phase array technology.
传统的相位差测量系统，因其工作的频段窄，测量精度低，已不能满足现代相控阵技术的要求。
3
Precisionmeasuring hot rolling seamless steel pipe on line is a new technology to enhance quality of steel pipe.