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

2?????vx

3???????

4??????????

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

??????????????????6????5????? (????? ?????????)?????28?“??????????”????5?????????,??????????????????,???,??????????????,??????173??????,???

17???15?????????????“?”,?????????,?????,???????????“?????????????”?

6?5???,?28?“??”??(????????)

?????,???,????????,????????????????????????????????????????????;????????????????????????????????????????????????????

?,“??????”?,????????????1993?????,???????????????????????,???????

“???,?????‘?????’??,?????,?????????????????,?????,?????????,??????????????,???????????????”???

???????????,???????????????????????,???“??”?????????????????,???30????????????????,???????????,????????????18??,???20????????

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

?????:????