Hydrodynamic performance of two packing structures was investigated with the air - ( water ) system .

以空气 - 水为介质,研究了两种 板间距 填料结构的流体力学性能.

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The hydrodynamic performance of canoeing oars is the theoretical basis of canoeing technique.

划艇桨叶的流体动力性能的规律是划艇运动技术的理论基础.

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So, how studies can accurately prediction to the contra - rotating propeller hydrodynamic performance is more important.

所以, 研究如何更能准确地预报对转螺旋桨水动力性能更为重要.

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So, how studies can accurately prediction to the ducted propeller hydrodynamic performance is more important.

所以, 研究如何能更准确地预报导管螺旋桨水动力性能非常重要.

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