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具有威胁的发球,首先要有旋转做基础,尤其是主体的发球套路一定要具有强烈的旋转变化,以旋转作为发球的“核心竞争力”。在旋转基础上,配合隐蔽性的假动作再结合不同落点,才能体现出一套发球的威胁。发球的要素旋转旋转是发球技术的核心,发球的旋转要足,旋转的差别要大,有了旋转做基础才有质量的保证。速度加快发球的速度,一可以增加球的突然性,减少对方判断来球的时间,打乱对方接发球的节奏,二可以借助速度,增加球的旋转,让速度与旋转有机地结合,从而进一步提高
Served with a threat, we must first have a spin to do the foundation, in particular, the main service routine must have a strong rotation change, rotation as a serve “core competence ”. On the basis of rotation, with concealed fake action combined with different points in order to reflect the threat of a serve. Serve the elements of rotation Spinning is the core of service technology, serve the rotation to be enough, the difference between the rotation should be large, with the basis of rotation have the quality guarantee. Speed to serve the speed, one can increase the suddenness of the ball, reduce the time the other party to judge the ball, disrupt the rhythm of receiving service, the second can speed, increase the rotation of the ball, so that the speed and rotation organically, which further improve