螺旋桨空泡会降低螺旋桨性能，产生空化剥蚀和噪声，从而导致船体振动。
Propeller cavitation degrades propeller performance, erodes blade surfaces, produces noise, and causes vibration on the ship hull.
研究螺旋桨空泡及其诱导的船体脉动压力的预报方法，对于减小其引起的船尾振动和辐射噪声是极其重要的。
It is very important to study methods for predicting propeller cavitation and induced fluctuations in order to reduce vibrations and noise on ships.
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