The paper introduces graphs aided programming and macro programming in NC system, and then presents the syntax analysis process of macro program.
介绍了数控系统中图形辅助编程和宏程序编程两种编程方法，并给出了宏程序的语法分析过程。
To simplify the programming process, a computer aided manufacturing (CAM) system can be used.
为了简化编程过程，可以采用计算机辅助制造(CAM)系统。
To simplify the programming process, a computer aided manufacturing (CAM) system can be used.
为了简化编程过程，可以采用计算机辅助制造(CAM)系统。
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