???2?????????????13?????????????? (????? ????????)???????????13??????????????????????????????????????????????

???????,??,“?????3?4?‘??’????????”??11?????????????,????“????????????????”????????????

?????????????????????12???????????????????3????????????,???????,??????????????????????????????,?,?????????????????????,??????????????????????????4?????????,??

????????,???????????????????12???3????,??????????????????????????

????????(??????????)??,?????“?????????”?????????4??????,?????????

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

??????????5?????????,???14????????????????????????11??????????????“???????”??????

???????????????????,?,?18??????????14????????????(????????????????) ????????????:????????? ??“??????”????

?? ????????????? ????????

????:1???????:????vx?

2????????

3???????????

4?????????????

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

???2?????????????13?????????????? (????? ????????)???????????13??????????????????????????????????????????????

???????,??,“?????3?4?‘??’????????”??11?????????????,????“????????????????”????????????

?????????????????????12???????????????????3????????????,???????,??????????????????????????????,?,?????????????????????,??????????????????????????4?????????,??

????????,???????????????????12???3????,??????????????????????????

????????(??????????)??,?????“?????????”?????????4??????,?????????

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

??????????5?????????,???14????????????????????????11??????????????“???????”??????

???????????????????,?,?18??????????14????????????(????????????????) ????????????:?????????