?? ??????????“??????????????”??
????:1???????:?????V
2???????
3???????
4???????
5???????????
?12??23? (?????? ?)?23?????????,??“?”“?????????????????”??????,??12?8?????????????????????“??”“??????”???????????????,??????????????????,???
12????????23??,???????????? ?? ?? ????,“?????”??“???????????”??????,?????????,????????????
?????,????????“??”??,?,??????“????????”?????????“??”?,????“???”“??”?,?????????????????????????????
???????,??????????????????“??”????????? ????????????? ????? ????????????????????????????????,????“??????”???(??)
??:?????????????