??
????????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%,???????????????
?????,??????????,?,??????????????????,??????????????,?????????????????????????????????????(??????????)
???????????:????????????
???????????????????5????????????????