它是在一切万有心中的一个波动、一个震动、一个脉动。
It is a wave, a vibration, a pulsation at the very heart of the All That is.
为了可靠运行，必须降低转速的波动，即必须有效抑制负载转矩脉动和电机电磁转矩脉动带来的转速波动。
In order to have a reliable operation, must reduce the speed fluctuation, namely must effectively restrain the load torque ripple and motor electromagnetic torque ripple of speed fluctuation bring.
金融市场实质上包括一系列特定波动率的价格脉动。
Financial markets essentially comprise a series of impulses that produce price movements with specific rates of vibration.
深部含水系统水文过程线的波动在很大程度上记录了岩石圈的流脉动及一些地质过程的定向变化。
The fluctuation of hydrograph in deep wells records the fluid pulsation in the lithosphere and variation of the Earth's crust.
对绕组换相时电流波动进行了分析，并计算了电机电磁转矩，给出了抑制电磁转矩脉动的方法。
Current fluctuation is analyzed during coil commutation time and electromagnetic torque is computed and method is given to restrain ripple of electromagnetic torque.
从理论上证明了在脉动燃烧控制方式下，控制对象是带延迟的一阶惯性环节，以及影响稳态炉温波动的因素。
It proves that the subject with pulse-firing control system is an inertial system with delay, and analyses the factors affecting stability of the temperature.
大型液压泵站由于流量脉动往往引起大的压力波动，这是造成液压系统噪声的主要原因之一。
The large undulation of pressure at the large-scale hydraulic pump station is usually caused by the pulsating of flow. It's one of essential causes to produce noise in the hydraulic system.
利用有限元法求解声学波动方程，建立了管内气流的有限元运动方程，计算出管内气柱的固有频率和气流压力脉动。
The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline.
在脉动（波动）压力的情况下，被测压力的最大值选用压力表满刻度值的二分之一。
Under circumstance of pulsant (fluctuant) pressure, prescribed maximum of measured pressure is one-third of full scale of the selected gauge.
他们也应用于无波动或最小转矩脉动领域。
They are also preferred in applications where no cogging and minimal torque ripple is important.
他们也应用于无波动或最小转矩脉动领域。
They are also preferred in applications where no cogging and minimal torque ripple is important.
应用推荐