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