??
????????????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????????????????