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现在“3G通信”快要成为人们的口头禅了,那么什么是3G通信?所谓3G,它的全称为3rd-Generation,中文含义就是指第三代数字通信。1995年问世的第一
Now “3G Communications ” is about to become people’s mantra, then what is 3G communication? The so-called 3G, its full name is 3rd-Generation, the Chinese meaning refers to the third generation of digital communications. The first came in 1995