如果问有什么电子产品是今日城市人每天不可或缺的,相信没有人会反对这就是简称“手机”的无线电话。今天不是每个人都拥有计算机,但是都市里大部分人却都会有手机,而手机电话号码几乎代替了我们的名字。现时的情况是:无线网络普及,频谱不断增加,手机供货商和网络商联手大洒金钱,大 If you ask what electronic products are indispensable to urbanites today, I believe no one will object to the wireless phone which is referred to as “mobile phone” for short. Today, not everyone has a computer, but most people in the city have a cell phone, and a cell phone number almost replaces our name. The current situation is: the popularity of wireless networks, the spectrum continues to increase, handset providers and network operators join hands big money, large