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。

youdao

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。

youdao

Fault moving out of place has the earthquake most main reason, It has the number of times to be most frequent.

断层错动是发生地震最主要的原因，其发生次数最为频繁。

youdao