特殊用法code-division multiplex1.代码分隔多路通信制frequency multiplex1.频率复合, 频率多工, 频率分割frequency-division multiplex1.频率分割多路复用placenta multiplex1.多叶胎盘semiplacenta multiplex1.多叶半胎盘space division multiplex1.空间分隔多工制stereo multiplex1.立体声多路传输