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

2??????

3???????

4?????95???

5???????vx

???2??????13???????????? (? ???)2?13?,??“?”????????,??????,?????,??????????????????,???????????????,?????????

???,12???6????8?,?????????10????,?????????????????,?????????16??????10???????????,???

??,??????“?????”???????????13??????????????6?“??????”,????16??15?????????????13????????2.4?,??????,16?13?????????????????,15??20??

????,???14????15????????,?????????????????;??19????????,???????????16??18??,?????????,????

??????,??????,???????????,????,???????“??”,???????,??“????????”?????????,???????(????) ????????????:???