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

2???????

3?????

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

5???????

??????1????21??,??????????“?????????????”??????????????????????????????????2000???????????????????????????,??,????????,???????

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

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

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