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

????,?????“??”?

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

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

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

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

??

??:???????????,??????????,??????????????