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