????:1????????:????????9598

2?????90????????

3?????????

4???????????

5??????????

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

?????,?“??????????????????????”?

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

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

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

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