helicopter power utilization coefficient

例句：

1. 1.The helicopter power utilization coefficient of the new model is significantly higher than that of the previous one.
   新型直升机的功率利用系数显著高于旧型号。
2. 2. The efficiency of the helicopter power utilization coefficient has been greatly improved in recent years.
   近年来，直升机功率利用系数的效率得到了极大的提高。
3. 3. The helicopter power utilization coefficient is an important indicator for evaluating the performance of a helicopter.
   直升机功率利用系数是评估直升机性能的重要指标。