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排球比赛规则是排球比赛得以进行的重要保障,修改比赛规则也是促进排球运动发展的重要手段之一。每一次规则的修改对排球运动的发展都起到一定的促进作用,本文就排球竞赛规则2009～2012年的几点变化进行分析,以期对广大排球运动参与者有所裨益。
Volleyball rules are an important guarantee for the volleyball competition. Modifying the rules of the volleyball competition is also one of the important ways to promote the volleyball development. Every revision of rules plays a role in promoting the development of volleyball. This article analyzes some changes in volleyball rules from 2009 to 2012 with the hope of benefiting the majority of volleyball players.