third generation (used to describe a level of performance for mobile phones that makes it possible to move data to and from the internet) 3G ；第三代移动通信技术 3G technology 3G 技术 3G wireless networking solutions 3G 无线网络解决方案 We are leaders in 3G mobile phones in this country. 我们是这个国家 3G 手机的领导者。