???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%,???????????

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