三、正拍打旋转球 上旋球是让球顺时针旋转的打法，其特点是球尽量高地成弧形运行，到达顶点后在旋转力与空气阻力互相影响下，球急速下落，落地后高反弹。 上旋球的优点是能最大可能地使球落入对手场地，球高高地飞过网后落下，命中率较高。特别是对掌握不好发力的人，即使全? Third, is swirling Sphere spin ball is to let the ball rotate clockwise play, which is characterized by the ball as high as into a curved run, reach the top in the rotation force and air resistance under the influence of each other, the ball rapidly falling, landing high Bounce Spin up the ball advantage is to maximize the ball into the opponent’s field, the ball flew high flying over the net, a higher hit rate. Especially for people who are not good at power, even if it is full?