???5??????????????

????2????????????14???????? (??? ??????????)???14???,???2?????????????????8???????????????,???????????????????????50??????????13?,?5.3??,??75%?

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

?,?????770???,????????1??????10??????????????1??22.5?????6???????????????????,??????????????????????????,???????

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

???????????????????,?“????????????”?????“?????”??????

????????????,??????????3??????????????,??????????7500?,??95%????,????

??????,????96.8%,?????????????????????2.2%,???????????1%,???

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