?????2?????????14??? (?????? ??????????)???14???,???2????????????8??????????????,??50???????????13??????,????????5.3????????,??????????75%?
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??,????3????????,?????7500??????????????,?????95%?????????,????????????????
????,???96.8%,?2.2%,????????1%,?????
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?????????????????????20%
???????????:?15.60%??????
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15???????????????????
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17?????????????3???????
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