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

2?????????

3????????

4?????VX

5????????????

???????40????“??”???,2??13??,????????«?????????2»?

??,«???2»??,???????????????????????????????,?????????????

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

??,????IP,???????????,??,“????????????????”(???????? ???? ????????????????)

?????????:??????????