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

????:????v:???????

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

?,??????????????“?”?

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

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

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

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