At last, delete the drove module and use higher level module to organize module group into a new multi-function module group.

最后删除测试使用的驱动模块，用较高层模块把模块群组织成为完成更大功能的新模块群。

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Shubho : Yes. In real world, Car is the higher level module/entity, and it depends on the lower level modules/entities like the Engines or Wheels.

Shubho ：是的，在现实中，汽车是高级模块或实体，它依赖于低级模块或实体，如引擎或车轮。

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These functions enable a higher-level unit, such as a body control module to monitor the state of the electronic-control unit and prevent secondary problems due to continuing current flow.

上述功能可使车体控制模块等高级单元得以实现，并可监测电子控制单元的状态和防止电流引发的其他问题。

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