????:1???????????:????szsn????

2??????????

3???????vx

4??????????

5?????????????

???2?????????17?????? ?????????????(?????????“??????”)17?????????????,?37.7%?,?2??????

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

????????????????,???????????35??????????,??????5??????????????,??,??????????????,????????,???

????????????????????,?????????????????????,???????????(54.3%)??????????????,?????????2????????????,????????????????????????????3.5??????????????

????????????????,?,?????,????(46.6%)????????????

???“???????????????”??,????????,??12???17??????12.5%?????????????????18.4%,?????????????????,???????????????????(?) ?????:??