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

2???????

3??????????

4?????????

5???????

??9????28?? (?? ???????????)?????????????????28?????

???????????10??48?????????«????»,??«?????:?????????»????,???????,«???????????????????:???????????????????»??????????????????????????????«??2»???IP?????(???)???IP«????»???????????,??,???IP?????????IP???????????«??:???????????»??????,“?????????????”???????????????????????????????????????????????IP,???????????????

“???”?????????????«???»???,?????,?????????????“?????????????????????????”???,?????????????????

??,????«?!!»??????????????????????????????????,????????,?????????????????????????????«????????»??????????????,??,?????????????????“??????????”????????????????????(????)??“IP???????”????????????????

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

???,??????,???“?????”,???

????????«????2»??????????,?????????????,«????2»??????(?????????????) ??????????????????:????