mobile telecommunications短语¹³¹⁶²⁰⁺³ 基本例句 移动通信 With the rapid advances in wireless communications, Universal Mobile Telecommunications Systems UMTS, playing a main role in the emerging third generation 3G wireless networks. 在无线通讯网路迅速蓬勃发展的今日， UMTS系统在即将到来的3G无线网路上扮演一个重要的角色。140.118.33.11