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