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

2?????VX

3??????????????

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

5??????

?????????????2????21? (????????????? ??????? ????)???????????????(?)21??????????????,?????11?????????????????,????????????????63??????????????????????????????

??????????????????,?????15???,????2???????????????????????????61.1??????,?????????????

2?????????????????21???????,??????????? ????? ?????????????

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

?“????????”?“?”,?????????????????,??36????(???????????????)?,??24?????????

2?????21????????,?????????????????????? ???? ???????

???20???????????,??????????????????,????6000??????????,????????8?,?????,??????

?????????,?????,?????????????,????????63???????????????,4?,?,?????????31?????????????????,???(?????????????)

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