If you read the assembly code that is ultimately generated by virtually any compiler, you'll see that program control contains many jumps.

若阅读由几乎所有编译器生成的汇编代码，就会发现程序控制里包含了许多跳转。

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The program includes: a monitor of the lathe console, an editor and a compiler of the source codes for the digit control of the lathe, and a controller of the processing operation of the lathe.

程序包括：车床控制面板监控程序、数控源程序编辑程序、数控编译程序和车床加工控制程序等。

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