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3G是英文3rd Generation的缩写

3G是英文3rd Generation的缩写,指第三代移动通信技术。相对第一代模拟制式手机(1G)和第二代GSM、TDMA等数字手机(2G),第三代手机一般地讲, 是指将无线通信与国际互联网等多媒体通信结合的新一代移动通信系统。它能够处理图像、音乐、视频流等多种媒体形式,提供包括网页浏览、电话会议、电子商务 等多种信息服务。为了提供这种服务,无线网络必须能够支持不同的数据传输速度,也就是说在室内、室外和行车的环境中能够分别支持至少2Mbps(兆字节/ 每秒)、384kbps(千字节/每秒)以及144kbps的传输速度。(Quelle: www.ithao123.com/3g/0003.html) 

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3M公司/Minnesota Mining and Manufacturing Company
1902
 
 
 
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4G是英文4rd Generation的缩写,指第四代移动通信技术

第四代移动通信技术英语:The fourth generation of mobile phone mobile communication technology standards,缩写为4G),是3G之后的延伸。

从技术标准的角度看,按照ITU的定义,静态传输速率达到1Gbps,用户在高速移动状态下可以达到100Mbps,就可以作为4G的技术之一。

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5G是英文5rd Generation的缩写/第五代移动通信系统/5th generation mobile networks/5th generation wireless systems
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6G是英文6rd Generation的缩写/第六代移动通信系统/6th generation mobile networks/6th generation wireless systems
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