The latter section of this paper introduces a new-type machine tool revolution precision measuring instrument after analyzing current revolution precision measuring technology.

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。

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With its narrow operating frequency scope and low measuring precision, 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。

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Precision measuring hot rolling seamless steel pipe on line is a new technology to enhance quality of steel pipe.

热轧无缝钢管在线精度测量是近年来为了提高无缝钢管质量采取的一项新技术。

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