Derived unit model structure is clear, and reflects mechanism of system internal relevancy and external correlation.

导出的模型结构清晰，较好的反映了系统内部关联和外部联系机制。

youdao

Derived unit model structure is clear, and reflects mechanism of system internal relevancy and external correlation.

导出的模型结构清晰，较好的反映了系统内部关联和外部联系机制。

youdao