????????????????????19.4???

????:??????:????95?

?9??27?????????????? (?????????????????????????? ???)?????27?,?,???19.4????????,?????2.77???????????

???,??????80%,?????15.26????,????????????20%????????????????,????????????

??????????10????????1??,?10?????????5????????????????????????????????????????,??????9????????????30??,??????,????????????????,????,?????????????????

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