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.

根據(jù)M-M幀和普通多播幀的本質(zhì)區(qū)別,建立在M-M基礎(chǔ)上的M-M-M機制,按信道速率分類后再把下行語音幀聚合多播。

The application of M stand in mordernization of hot strip mill;

M機架在熱帶鋼軋機現(xiàn)代化改造中的應(yīng)用