NC is a technology using digital information to realize the control of machine tool, is one of the most crucial I ink in modern product technology.

数控是使用数字化的信息实现对机床控制的一种技术，是现代制造技术中最关键的环节之一。

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It is the use of digital information on the machine tool movement and control of processing methods.

它是利用数字化的信息对机床运动及加工过程进行控制的一种方法。

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This paper introduces the working principle and main function parts of the digital control machine tool servosystem using digital pulse comparator.

介绍了一种采用数字脉冲比较器的数控机床伺服系统的工作原理及主要功能部件。

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