?????1?????22?? 21????,??«??????????????»??????

??????,«?????????????????????????»??«?????????????»IP????????????????,????????????????IP???????????,??“?????+??”?,???????,????

??????????,«????»??????????????????????«?????????????»?????,?????IP????????????????????,?????????,????????????????????????????????,???????????????

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

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

????????:“«???????»?????,???????,??????,???????????????,?????????”(??????????????) ????:????

??

??:???????????,??????????,??????????????