rotating machines

• 旋转机械

rotating machines的用法和样例：

例句

1. If we know the rotating frequency, we will know each of the componential signals.
   如果我们知道了旋转机械的旋转频率，那么我们也就知道了这些单一频率。
2. Considering rotation machines like a motor, the vibration signals are of universal nonstationarity and the fault samples are usually very limited.
   旋转机械如电机振动信号普遍存在非平稳性，同时对于某台设备已有的故障样本往往非常有限的。