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