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船舶航行中的阻力来自水和空气,其中,以水阻力为主,空气阻力通常很小,水对船舶运动时的总阻力R主要由摩擦阻力R_M和剩余阻力R_S两部分所组成。船舶阻力用实船试验和船模试验方法能获得比较准
The resistance of ship during navigation is from water and air. Among them, the water resistance is mainly air resistance and the total resistance R of water to the ship is mainly composed of frictional resistance R_M and residual resistance R_S. Ship resistance with real ship test and model test methods can get more accurate