push_to_talk_over_cellular_有道手机词典

1.With the approaching of 3g networking, a kind of business of broadband based on mobile communication network POC (Push to Talk over Cellular) has appeared.
POC业务是伴随着3 G网络建设的日益临近而随之产生的一种基于无线蜂窝移动通信网的宽带业务。
dict.yoduao.com