应用在发动机锯齿喷口上，能降低噪音减少功率损失。
The application of serrated nozzle on the engine can reduce the noise and the power loss.
其次，如果执行器具有调速的要求，那么在选择调速回路时，既要满足调速的要求，又要尽量减少功率损失。
Secondly, if the requirements of the actuator with speed, then select the speed loop, it is necessary to meet the requirements of speed, but also to minimize power loss.
通过控制无功补偿量，调节中央变电所进线系统的功率因数，可达到减少经济损失的目的。
Regulating power factor of central substation by controlling reactive power amount can achieve the goal of reducing economical loss.
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