摘要：非能动系统是保障核电站安全的一个重要途径。

Abstract: Passive system is an important way to protect the safety of nuclear power plants.

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基于非能动系统的定义和主要特性，对其可靠性进行分析。

Based on the definition and main characteristics of passive systems, the reliability of it is analyzed and a specific analysis is given.

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该系统是以非能动系统为基础设计的，并实现了传动、导向一体化。

Design of this system is based on passive system, integrating drive and guide of control rod.

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