论文部分内容阅读
与固定宽带和Wi-Fi热点相比,GPRS和3G的漫游成本贵得有些可笑。但如果从技术的角度考虑这个问题,就不难理解了。
Compared with fixed broadband and Wi-Fi hotspots, the cost of roaming GPRS and 3G is a bit ridiculous. However, if we consider this issue from a technical perspective, it is not hard to understand.