数控程序代码正确检验是一项极其重要的工作，该文介绍了一种数控程序解释器的功能、数据结构及其实现算法还有图形显示。

It is very important to verify the correctness of nc codes. This paper introduces a kind of nc programs decoder consist of function, data structure, algorithm and graphics displaying.

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数控程序经过解释最终形成一系列命令，添加到任务控制器的命令队列中，然后由任务控制器根据其当前的状态进行相应处理。

NC program is converted into a series of commands that are added in the command queue in task controller. Then the task controller deals with these commands according to it's current state.

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介绍数控系统的体系结构，包括其硬件体系结构与软件体系结构，并着重介绍加工程序解释器模块。

The thesis introduced the software and hardware design proposal of CNC. The processing procedure parsers have been introduced weightily.

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