发动机效率 meaning in English

efficiency; engine
engine efficiency
motor efficiency

The second is that a younger fleet offers greater engineering efficiency
其次是更年轻的飞机的发动机效率更高。
When the gas engine speed down , the efficiency of gas engine go up , but the cop and the per drop . the descendant value is small and keeps stable in large area
随着转速的降低，发动机效率增大；而系统的性能系数cop和eer虽有下降，但下降不多，且在很大范围内保持不变。
An increase in the specific work and cycle efficiency of gas turbines can be achieved through higher turbine entry temperatures . maintaining adequate life at these high temperatures requires the development of materials and efficient cooling methods
提高涡轮发动机效率的重要途径是提高其入口温度，而高温下涡轮发动机的寿命取决于相关零部件的材料特性和冷却方法的效率。
The thrust of the new arcjet is improved from the original 100 - 135 s to 148 - 166 s , efficiency is improved from the original 21 % - 32 % to 32 % - 53 % . the results of the experiment prove that regenerative cooling method can improve the efficiency of low power arcjet remarkably
新发动机的比冲由原来的100 - 135s提高到148 - 166s ;效率由21 % - 23 %提高到32 % - 53 % 。实验结果证明这种再生冷却设计能大大提高低功率电弧加热发动机效率。