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

2???????????

3???????vx

4???????

5????????

??10??2???(????????? ?)?????????,???????????????????,????????????????????????????????8?????????????????,??????????????????????,???????,???,???????????

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

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

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

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

?????,??????????????,????????????,????????????????,?????????????,???

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

???????????,??????????????4A???,????,???,??????????????????

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

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

???:???