Due to the frequent faults and multiple fault modes of such mechanical systems, their reliability data is thus different according to the adopted statistical approach.
由于这类系统通常具有多发性故障、多故障模式等特点，适用于设计初期的可靠性数据可信性不大。
Rotor crack is a very dangerous and frequent fault in rotating machine, and crack detection and location is a always research direction in the field of fault diagnosis.
转子裂纹是旋转机械中常见且危险的一种故障，转子裂纹的有效识别和定位也是故障诊断领域一直研究的课题。
Xiaojiang activity fault zone has a long-standing history of formation and development, its activity had induced very frequent seismicity and various geologic hazards.
小江活动断裂带是一条形成与发育历史久远的断裂带，它的活动诱发了十分频繁的地震活动和多种类型的地质灾害。
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