failvi.失败；没做成某事；表现欠佳；用完；衰退vt.辜负；放弃；缺少；不及格n.不及格；没做成failingn.失败；缺点；过失adj.衰弱的prep.如果没有动词fail的现在分词.

1. One of the key techniques for solving the problem in reliability and safety of modem industries is fault diagnosis in dynamic systems.
   摘要动态系统故障诊断是解决现代化工业系统可靠性和安全胜必不可少的关键技术之一。