其次，介绍了物流风险的控制理论和应用，描述了我国医疗废弃物物流的过程和物流过程的特点。

Secondly, we introduce the logistics risk control theory and application, describes the process of Chinese medical waste logistics and logistics process characteristics.

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其次，论文还介绍了瞬时无功功率理论及其在无功控制和无功检测方面的应用。

Secondly, the instantaneous reactive power theory and it 's application to reactive power control and detection are introduced.

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控制理论的应用有两个基本的阶段：动态分析和控制系统设计。

The application of control theory has essentially two phases: dynamic analysis and control system design.

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