以下为句子列表：
英文: The results prove that: (1) When the Mach number of the flow at the exit increases, the total pressure recovery decreases, and the circular steady total pressure distortion coefficient, turbulence intensity and synthesis distortion increase.
中文: 研究结果表明：(1)地面工作状态下，随着出口马赫数的增加，蛇形进气道出口截面的总压恢复系数不断下降，而稳态周向畸变指数、紊流度和综合畸变指数均上升，稳态径向畸变指数变化不大。
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英文: In-cylinder tumble motion, similar to the swirl motion, can increase the turbulence intensity and result in higher flame speed and combustion rate in spark ignition engine.
中文: 火花点火发动机气缸内空气运动的滚流与涡流一样,都可以增加燃烧室中的湍流强度,提高火焰传播速度和燃烧速率,从而改善燃烧过程,提高发动机的动力性能。
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