????: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%,????

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

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