????????????

??

???2??????????????????????5? ?????“????”5???,???????3?????4?????4??7.3??,??9?????

???,?????“???”?

??????,?(?????S)???????????????????,????????????,?,?????5???

???????????,???,???????????????????????????????

??“??”?????,??,1??21????????????2??3??????142???,??25?????????????????2?2??,???65??46.3%,????????68.6%?

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

?????????

??????????????????????

????????