????:1???????????:?????????

2???????????

3???????

4???98?

5????????

??????“??”????????????

????????????????????:????????? ??“??”???????

???????,??????????????????,???????????????????,????????????????????,??????????20?????????????????:??????????,?????????????????????,????“???????”??,????

??

???????????

???????????????1????????3?????????????,?????????42.7?:?????????????,???????????????,???????????,???????????????????,??????????????

??,?????????????????“??,??????,??,????????”???,?,?????,????????????????????,?????????,??????:“??????????????????,???????????????????,?????????????”????,???????????????

???????,????,??????????????????????????????????,?????????:???????,????????????????????!

???????

???????????

?????????,???????20??,?????????????????????????????????????????????????????????????????????????????????,????????“???,???????????????,??????????”????????“???,????????,???”????????,???????????????

???????????????????,?????????,?????????????????

????,????????(?MCN)???????????????????????,??MCN?????????????MCN???????,???????1??????????

????????????????????????,MCN??????????????????,???????,????????????????????????,?????IP?????????????????????????????

6????8????????,????,???????????,????????????????“???????,???????????,?????”?

????,????????????????????MCN???,??????????????????,“????????,????????,?????????????????????????”?

?????????????????,????,??MCN???

?

??

???????????????,?MCN??????????,??????????????????????????????????14.2???????????,???MCN?????????????????????????????,????????,????????????????????,????????????

???????,??,???????????,????????????????1?2????????,???????????????,????????300??????????????????????????????,???

6????????8??????????,???????????????????????????????,???????,?????,????????????????????????

“???????????,??????????”??,????,?,??????300??????????,??????????,“???????????????1000????????”?

???????????????????,?????????,??,???????????

???????????????????

????????????????????

??,?????????,????,????????????,?????????

?????????,??????????????????,???????MCN???,??????,?????????????????????????,???????????????

“?????????????????????,??????????????????????????,??MCN????‘???????????????’,??????,???????????”?,????,???????????

“???????????,?????????????????????????????????,???????????????????????,????????????,??,??????????????,??????????????????????,???????????????????”???????

?????

??

?????????????5?????????,????????????????????????????????????????????,????????????????????5???????,????????,?????????????????????(???????“??????????”,?????????????????148.4????????;????“???”,?????17.4?????)??????:???????????????????????????????????????,????????

????“??”?????????????????,???????????????,????,???

??????,??,?????????????“????”???“???????”??????,????“??????”??,?????“????????”“???”????????

??????????????/???????????? ????????????????????? ?? ??

???? ??????????????? ?????????/????? ????????:????????????????