?? ?????????????????? ????
????:1?????????:????????
2???????
3???????
4???????50?
5???????
???????????????12?????????27???????? (??????????? ??)????????????12???????????????????27??????????????
????????:??,?????????????,???????????????????,??????????????????????????,77%???,84%?????????????????????
??:????????????,?????????????????????????,????????????????????????,?????50????????“?????”,?????
??????,??????????????????????,???????????????,?????,?????????,?,??????????,?????????????????????,???,????,????????,??????????(??????????????????????) ???:????