This paper introduces a fixed crane faults diagnosis system used in port, and focuses on the method of inferring rule based on the pretreatment of sampling signal.

文章介绍了一个港口门机故障检测系统，着重讨论了在采样信号预处理的基础上，通过规则推理进行故障分析的方法。

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In this stage, the lifting frame was fixed to a hook attached to a crane, and the hull was lifted completely clear of the seabed and transferred underwater into the lifting cradle.

在这一阶段，吊架固定在吊车的挂钩上，船体完全脱离海床，在水下被转移到吊篮里。

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Down below, the workmen had prepared a metal net, which was fixed to the ground with long nails, all around the space where the crane was slowly lowering its load.

在下面，工人们已经准备好了一个金属网，用长长的钉子固定在地面上，围住铲车即将慢慢的卸下负荷的地方。

youdao

Down below, the workmen had prepared a metal net, which was fixed to the ground with long nails, all around the space where the crane was slowly lowering its load.

NEWYORKER: The Daughters of the Moon