英语翻译在线等答案,急!!!
来源:百度知道 编辑:UC知道 时间:2024/09/24 18:30:05
3G时代的来临,为我们提供了丰富,快捷的生活!
3G, called the 3rd Generation, the third generation of the previous two generations is the main difference between voice and data transmission speed of the upgrade, it can be better at the global level to achieve seamless roaming, and to deal with images, music, video streaming and other forms of media, including web browsing, conference calls, e-commerce and other information services, taking into account also the second-generation system and has good compatibility. In order to provide such services, the wireless network must be able to support different data transfer rate, that is to say in the indoor, outdoor and vehicular environments, respectively, can support at least 2Mbps (megabits / second), 384kbps (kilobits / second) as well as the transmission speed of 144kbps.
3G era provides us with a rich, fast life
3G is the third generation of mobile phone standards and technology, superseding 2G, and preceding 4G. It is based on the International Telecommunication Union