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

????:?????????:??????

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

?,????“??”?

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

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

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

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