?? ??????:?????? ??????????30%
????:1????????:??????????
2???????????
3?????????????
4?????????
5???????
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?,10?17367?,??????????????????????????30.8%,???????63.0%,?????????
?????????????,????????,10??1?????10???????????30????,??????????,????1:10?1:13,???
????,??,10????????????1??27??,????48?????????,??9??48%?
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