?? ????:?????????????,??550?????
????:1????????????:??????????
2?????????????
3???????????
4???????
5???????
???9????????19???? ????19????????“????????????????”?????,??????????,????????,????????550?????????,?6700??????????????????????????????????,??????????,???74%?
????????,????,????,??,????????????????????????????????????????,???“??????????????????”,?????
????????,?“??+??????????????????”?????,???????????????????????,?????26?????????????????,????????,???????????????????,????,????????????????7?????????16???,???????,?400??,???????????????????,??????????????????????????,????????6.6?????????????????????????,???????????????????????7?19??,??,??????1????????,?????????????????30??,???????????????????,??550????,??6700????????????????,???????,??74%?
???????,??,??????????????????????????????,???????????????????“???????????”?????????,???11?“?”????????????????????13???“????”??????????????,?????????????????????,??????,??????,??????????????,????????????????????,???????????????62%?????????85%? ???:???