降低比 meaning in Chinese
letdown ratio
Examples
- It indicates that thermal throat can substitute geometry throat , so structure integration can be achieved in ejectrojet mode . in addition , it showed that thermal throat will increase engine thrust and decrease specific impulse
另外还得到热力喉道取代几何喉道后对发动机性能的影响，它可以提高发动机的推力，却要降低比冲。