?? 12???????????????1?? ?
????:1??????????:???????
2?????????
3????????
4????????
5???????
????????,???????????12???1????????,?????????????,?????????????????????“?????????????”????????????????,???,???,?????4??11????,12????????????????3??,??,??
???4?????????1???????????,??????,??5????????10????,???????1.1??,??4.09????,???????????????????42.6%?72.7%,??
(?? ???????? ????????????????????????? ) ?????:????