If it is known that the reliability sketch of the aircraft landing gear system is a series system, then the fault tree is a coherent system one.

已知某机起落架的可靠性框图为串联系统，其建成的故障树为单调关联系统故障树。

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Multistate coherent system reliability analysis is a new problem of reliability theory.

多态关联系统可靠性分析是可靠性理论一个前沿研究课题。

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A theoretical research on multistate coherent system logical modeling is one of the most important problems of multistate coherent system reliability theory.

多态关联系统逻辑建模是多态关联系统可靠性理论的基本研究内容。

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