Given the fundamental difference of M-M and regular multicast frame,M-M-M mechanism,invented on the foundation of M-M mechanism,classifies the downlink voice frames by channel rate before they are multiplex and multicast.
根据M-M帧和普通多播帧的本质区别,建立在M-M基础上的M-M-M机制,按信道速率分类后再把下行语音帧聚合多播。
The application of M stand in mordernization of hot strip mill;
M机架在热带钢轧机现代化改造中的应用