So, the suppression method of applying non-linear transform on strong acoustic interference was proposed based on the characteristics of steady velocity.
基于声波具有非常稳定的传播速度这一特点，提出了一种利用非线性变换手段压制强声波干扰的方法。
In this article, the natural frequencies of machine tools under continuous cutting and steady non-continuous cutting conditions are identified with time series method.
本文用时间序列分析的方法，在机床连续切削和非连续平稳切削状态下识别机床的固有频率。
Using mathematical statistical method, this paper studies mine transport system's uneven load, which provides a type selection design method for transport equipment under non steady load.
应用数理统计原理，对井下运输系统的非均匀货载进行了分析和研究，为运输设备在非恒定运量的情况下寻找出一种选型计算方法。
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