此外上游静子尾迹以及动叶尾缘出口膨胀波等也是产生转子叶片表面非定常力的因素。
In addition, the wake interaction of upstream blade row and the expansion wave at rotor exit also cause an unsteady force acting on the downstream rotor blade surface.
晋朝郭缘生在《述征记》中说，冬季狐狸过河常听之良久，要冰下无水声然后行。
Guo Jin Dynasty in the margin of Health "in the levy in mind," said Chang Ting of winter fox crossing the river a long time, to sound and water under the ice line.
晋朝郭缘生在《述征记》中说，冬季狐狸过河常听之良久，要冰下无水声然后行。
Guo Jin Dynasty in the margin of Health "in the levy in mind," said Chang Ting of winter fox crossing the river a long time, to sound and water under the ice line.
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