?? ??????:?????????? ??????30%
????:1????????????:??????VX
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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