简述了控制器监督级的由来，归纳了它的主要任务，介绍了模块化的构造与设计方法。

The origin of the supervisory shell for controllers are generalized, its main task is summed up, the modular structure and design method of the supervisory shell is introduced.

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简述了控制器监督级的由来，归纳了它的主要任务，介绍了模块化的构造与设计方法。

The origin of the supervisory shell for controllers are generalized, its main task is summed up, the modular structure and design method of the supervisory shell is introduced.

youdao