Marine propeller is a type of free form surface part. Its design and manufacture precision decide ship's thrust efficiency directly.
船用螺旋桨是一类典型的自由曲面零件，它的设计和制造精度直接决定了其推进效率。
A simplified model of propeller with infinite number of blades is employed to account for the effect of free wave in this paper.
为了便于计算，对兴波部分简化了计算模型，螺旋桨用无限叶数螺旋桨模型来代替。
Can you free the propeller from the weeds?
你能把螺旋桨上的草除掉吗？
Can you free the propeller from the weeds?
你能把螺旋桨上的草除掉吗？
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