????:1??????????:????????

2?????????

3?????????

4?????????

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%,??????

????,????????,??????,?????????????????,????????,???????(????????)

??????????????????????:???????