??????????,???????????????????,????
?,??????????????????????????,??Wi-Fi,??????,??
??40????????????? ?41?? ??:?????8??????,???????????80??????100???,????
??????????????,????????????????,?????????,???????100??????,?????2G????????????4G?
(??????????????????? ???????????????????????? ?) ?????????:???
????“??”???1270???5???
??!???????????????????
????:????????????????
????????:??????????
????23?????????????
??????????3???????????
??:??????????????????
???100???7????5???????
???!??????????????????
????????????????????
?????????????????????
?????????????????????
????????????????????
????????????????????
??????:??????????????
???!??????????????????
??????!???????????????
????:???????????????
?????????????????????
??:????????????R??????
???????????????????
?????????????????????????
????????“????”????????
???:??????????????????
??:???3??????100???????