本文的研究目的就是解决划船桨叶的流体动力性能。
In our country, research on the hydrodynamic performance of boats and oars is almost blank space.
注意看湖上单腿摇桨的渔民，他们把一条腿绕在船桨上划船，这是莱茵湖上独特的风景。
Watch out for the iconic sight of the lake's leg-rowing fishermen – steering their boats with one leg wrapped around the oar.
注意看湖上单腿摇桨的渔民，他们把一条腿绕在船桨上划船，这是莱茵湖上独特的风景。
Watch out for the iconic sight of the lake's leg-rowing fishermen – steering their boats with one leg wrapped around the oar.
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