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

2?9598????

3???????

4?????vx

5????

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

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

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

?????????,?????????????????????;??,??????????????????;??????????????????,??????????????????90%?

???????????,“????????”????????????????????,??,60????????34%,???????????????????????

???,??????????????????,????,??????6????????????,????50%?????,?????????????????????????????“?????”??????????,???

?????????????,2???????5??????????,?????????????????????24%? ????????????:????????????