?? ???????
??
?????,“??”?????“??????”???????????????????????????????,????????????????????????????????,??????,??????????,???????????????????????????
?????????
???,???????,???????,????
?????,???????“??”,????????????????????????,????,?????,???????????????,???????“???????????”“???????????”“???????????????”“??????????????”??????????????“???????”??????????????,????????IP,????????????????????????????????A??????????????????????«????»??????,????
??,?????20???????????,???25-30?????,????????????,???????????????????????,???????????????????,??138??“????????????????”“?????????”??????????2???
“????????????,?????????????,????”???,??,???????,????????????????0.01????0.2?????????,?0.5??,??,?????,??????????????????“????????????”
????????,??,????????????“??”??????,???????,?????????600??????,????????????DIY??,?????????,??????????????????,??????
?????????????????
??????,????????????,????????9.9????????????????????????????999???2?????????????,????????????,???????“??????????”??????????????,?????????
??????????????,??????????????,???????????????????,???????????????0.2?????????????580???????????,???????2900??/?,???????830????????????/???????????????????????????“?????????????”??????,??????,?????????????????,???
???????????????????,????????????,???????????,???????????????????????????????????,????????????????????????????????????????????????:“?????,?????,?????999?????????????????,??????????????0.1?,????????????????????,???????????????????”?????????,???,???“???????,???????????”????,????????????????,???????????,????????
??
???????????,??????????????????????,1???????????????????5????999????,0.2??????????“????????????,??????,??????999,0.2??????????????????”??,?????????????????“????????????,???????????,????????????????,??????,?????????????????????????????”
??????????,????,??????????????,??????,???????
?????????,???????,??????,????????????????????,???,??????????,????,2??????????,??,??????????????0.1????????,??????90%?????????????,??88-99?????????????????????,?????????,??????,??????????,????????0.1???????
????????,???????????,????????????“??,????????????????????”?????????,???????????????????????????,????????????????
??28?????????????????????“???????999????”???????,????“????????”???,????????????,??????
?????????/???? ??????
????????????
??????????? ???????????
???????????,?????????????,?????????????????2????????10??,???????????????????,????????0.1???????????,?????
???,???????????????????????,?????????,?????????????????,?????????????,???????????????????,?????????????,????????????????????????,???????????????????
“?,??????????????,????????????IP?????????????,?????????,????,????????????”??,?????????????????,?????????????????????,????????,????????????
??,????????????,???????,????????????????????????,??????????????????,???????????,??
??? ????
??????? ??????????:??????????
?????:???????????????
??????????????????
????????????????????
??:?????????????????
??:??????????????????
??20???????????????
??????:??????????????
??????????????
???????????????????2??
??????????????
????????????139??24134?
??????????4??????????
??2G?3G???????????
????2????????????????
???????????????????2??
055??????????????????????
??????????????
???????????:????????
???????????80?????????
??????????????????
?????????????:??????
????:??????“???”??????
?????????????:?????????
???????:????????????5?
????:????????????&???????