发球在排球比赛中的作用越来越重要，它既是比赛的开始，也是进攻得分的开始。发球效果直接左右着比赛的胜负，影响着本队的士气。而发球又是唯一不受对方干扰的技术，只要运动员熟练掌握动作要领，就可能达到得分或破攻的目的。我们带着如何使发球获得预期的结果，怎样提高发? Serving the ball more and more important in the volleyball game, it is both the beginning of the game, but also the beginning of the offensive score. Serve directly affect the outcome of the game, affecting the morale of the team. The serve is the only technology that does not interfere with each other, as long as athletes master the essentials of action, you may score or break the attack. We bring how to get serve the expected results, how to improve the hair?