boat paddle
boat paddle-
Watch me make whirlpools with my boat paddle !
看我用船桨制造出的漩涡！
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The characteristics of the propeller and making the boat and paddle as a whole to develop a simulation model are both researched .
研究了螺旋桨特性，并将船和桨作为整体，建立了螺旋桨负载仿真模型。
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Rowing technology : based on the full stage of each project by standard frequency and draw from the relationship and both the boat speed from the paddle .
划桨技术：根据对各项目全程阶段划分的标准，从桨频和划距的关系及其两者对艇速的影响关系进行技术分析。