????????????????????????????

??????? ?? 38

?????? ?? 8??

???????? ?????????????????????Ρ?????????????????????20%???????????200???????????3??

??????? ?? 20

?????? ?? 15??

???????? ?????????Χ???з???λ???951?????????????????30%???г???8??

??????? ?? 32

?????? ?? 26??

???????? ??????Χ??????????з???λ??ɡ???????????????????33%??????15??

??????? ?? 42

?????? ?? 23??

???????? ???????б??????923????????????????????Ч???????????????????????????50%???

????????????????????·?????????????????

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