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4G, it's short for the fourth generation of standards for mobile phone communication technology. And, it provides ultra-broadband Internet access.
4G是手机通信技术第四代标准的简称。而且，4G网络系统可以提供超宽带互联网接入服务。
In 2008, peak speed requirements for 4G service was set at 100 megabits per second. The speed of the 4G network can be as fast as 10 times the speed of 3G. A movie of high definition usually takes one hour to download if powered by 3G, while on 4G, the same movie will download in just a few minutes. Analysts say, the introduction of the 3G network provided a platform for smooth operation of Sina Weibo, and WeChat on mobile phones. They say 4G will encourage innovation and creativity in media services which will make people's life easier and hopefully, more fun.
2008年，4G服务的峰值速度要求被设置为100兆位/秒。4G网络的服务速度近乎是3G网络的10倍。如果使用3G网络，一部高清电影下载完成需要1个小时，而使用4G，只需要几分钟。分析师表示，3G网络的引进为在手机上流畅操作微博和微信提供了平台。他们还表示4G将会鼓励媒体服务的创新性，而这将会为人们带来更简单，更有趣的生活。
