发声系统，什发声系声系言语发音器官的统发统第一部分。与共振系统、组成动力系统共同构成言语发音器官。和主它由两个环节组成：一是部位声带。声带的什发声系声系振动产生乐音。空气在一定的统发统压力下由肺部发出，通过声带间的组成狭缝，使声带发生振动，和主于是部位便形成乐音。二是什发声系声系口部发声器。空气通过两唇间、统发统舌与两唇间、组成舌与硬颚间的和主狭缝时和冲开这些器官的接合部时发生的摩擦产生噪音。这两种声音系列的部位集合而组成不同的语音。
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