出一定实用价值
It has certain practical value
以上为机器翻译结果，长、整句建议使用 人工翻译 。
该方法应用于LC5T 81变速箱齿轮的故障诊断中，能够比较准确地识别与诊断出变速箱齿轮的走合运行状态、磨损运行状态和故障运行状态，具有一定的实用价值。
This method was used to diagnose normal working state, wear working state and fault working state of LC5T81 transmission gear. The results show that this method is effective and practical.
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