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

??

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

??,???“??????????????????????”?

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

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

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

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

?????????

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

????????