?? ????????????
????:1?????:???????????
2??????????
3????????
4??????
5???????????
???2????5???? ??“??”5??,?3???4???4?7.3????????????,???9?????????
?,?????“????????????”?
???????????????????,????????????(?????S)?????????????,???????,?,?5???
??????,??,?????????????????????????????
???“??”?,?????,1??21??????????????????????2?????3???????????142??,?????25??????????????????????2??2???,??65???46.3%,??68.6%?
?????,??????,??,????????????????????(??) ?????????????:???????????????