分析了线性和非线性阻力板的流量特性，并通过实验测定了阻力板流量系数。最后给出了三容水箱的线性化模型。

The flow coefficients of weir flow meters are determined by experiment, and the linearization model of three-tank water is obtained.

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除了运动专项练习，作者还介绍了弹性阻力的应用，应用于功能性专项训练的训练球、平衡垫、平衡板。

In addition to sport-specific drills, the authors describe the use of elastic resistance, exercise balls, balance pads, and balance boards for functional sport-specific exercises.

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在顺风航行时，可将活动龙骨板提起，以减少阻力，加快航速

The centerboard can be raised for faster downwind sailing

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