???????????11???22?????????????????????(?? ?)?????????????????????11?????22???

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

??????????:??,?,?????????????

?????????:?????????????,????????????????????????????,???,??????????

??13???????????,??????????????????4?????????????,??,?????,?????????????????“????????”????????,???????????????,????????????,???????

??????????,??????????????????????????????????????????????,????,????(??????????????)

?????????????:????????? ??“??????”

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

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

2???????

3????????

4?????vx

5??????

???????????11???22?????????????????????(?? ?)?????????????????????11?????22???

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

??????????:??,?,?????????????

?????????:?????????????,????????????????????????????,???,??????????

??13???????????,??????????????????4?????????????,??,?????,?????????????????“????????”????????,???????????????,????????????,???????

??????????,??????????????????????????????????????????????,????,????(??????????????)

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