?? A?????????????????
????:1???????:????????
2????????????
3?????????
4?????????????
5?????????????
?????????????1?????27?????????? (???????? ?)?,???????????A???????????????????,??????,????????????
?????27??,????3250???????????????????,????0.06%;?10156???????????????????????,???????????????1.33%;??????????????????2063??????????,??2.73%??????,????????13%,?????15%,?19%?
?,??????????????,?1.49%,????????A?????;???????????????4%?
??????????,?«???»???????????????????????????????????????????????????(???????)??????????????
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