?? ???????????????????
????:1???????vx:?????????
2??????
3????????
4??????
5??????v
????2?????????????????6???????????????? (????????? ??)???(????“????????????????????”)6?????????????,????????????????,???????????(????)?????????????????,???????????????2011???,??
?????????????,???????????,????????????????????,??1239???????????,????????????????????????,???????,???????????
?????????????????,?????,??????????????????????????????,?????????????????,??????,???????????40%,???????????????????70%,???????4?????,?????,????????????
?????,?,?????????????,???,??????????????,?,???,??????????????,???????????????(???)???????????????,?????????????????,???????????????????(?????) ??:???