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

2?????????vx

3?????????

4????????

5??????????

???“???????”??“???????????”!«???????»??????

??,????????,?????,????????????????……????(2???13???????????),??????????????????«??????»????????????:???,??????“????????”,??“??????????????????”?

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

????????? ?????:??,????????????,?????????????,????????????????,??2000????????,????????????????????????????????????,??????12000???????????????,???“??”?????????????????

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

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

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

(?? ??? ??????????? ??) ?????????:???????