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1·Based on a lot of related documents, in this article, the hard and soft system of a new style of E-Class rail foot flatness measuring instrument was designed and made.

在阅读相关文献的基础上，设计并制作了一种新型的钢轨焊接接头平直度测量仪的相关软件和硬件。

2·Measurement of the flatness of rail hand been finished by the rail foot flatness measuring instrument, it shows that the device designed can achieve the measure of Smoothness of welded joints.

利用所研制的该平直度检测仪进行了钢轨焊接接头的平直度测量，应用表明：所研制的装置能够实现钢轨焊接接头的平直度测量。

3·Automatic profile and flatness control system is composed of shape control software, hardware and network configuration and measuring instrument.

自动板形控制系统包括板形控制软件、硬件及网络配置和检测仪表。

4·In practical application, plane measuring instrument is mainly used to test flatness of workpiece in micro level, so that people can check if the workpiece is qualified or not.

在实际应用中，平面测试仪主要用于工件的微米级测试，从而检验工件是否合格。