?? ????????????
????: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%?
???,?????????????????????,?,????????(??) ???????????????????????:???