?? ????????????????????????
????:1?????VX:??????150??
2????????
3?????????
4?????????????
5?????????????
1????3???,???????2??,????????????8????,?????,?????????????????“??????”????????????????
??,???????????????????,????,?????“???????????????”,???????????????“?”,???????????????“???????????????????????????????????????????”???????????,?????????????“?????????”????,?????????????????????????,?????????????????????,????,??????????????????,?????90%???,???,????????????????,???????????30%???
??????????,???????????????12?????,??????????6?,?????????????,?????????,???
(??????? ? ??)
??:???????