实验证明该方式对于减小直线电动机推力脉动，降低噪音是有效的。
The experiment proves that the mode is effective to reduce the pulsation and the noise of linear motor.
由于要求运行平稳、噪声低，因此推力的脉动要小。
Due to the requirements of smooth operation and low noise, their thrust pulsation must be smaller.
由于要求运行平稳、噪声低，因此推力的脉动要小。
Due to the requirements of smooth operation and low noise, their thrust pulsation must be smaller.
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