The values of the fluid dynamic force of the bottom rudder and open water rudder are also compared with the related test results.

文中把船底舵、敞水舵的流体动力和有关资料进行了比较。结果表明两者拟合良好。

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The test results indicated that the variation of the spacing between propeller and rudder bulb has obvious effect on propeller open water efficiency.

试验结果表明，桨、舵球间距的变化对螺旋桨敞水效率的影响是明显的。

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As we all know a rudder steers the yacht on the water.

因为大家都知道一舵指导游艇上的水。

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There was just a bit of water on the bottom, and when he checked the rudder and sail and boom everything seemed to be in working order.

NEWYORKER: Max at Sea