????:1???????:????VX

2??????????

3????????

4???????200??500

5????????

???8???????19????(?????????)???????«????????????»??,????????11???26??????????30????????18??,???????????????100??,??500????????????????????,??????

????,??30%????,?????????500?60%,??????????????????,???????????

?????????????????,??60????????????????,????

???:?,??????????????????????????,???????????????????100?????????????

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