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2?16??????????????,??1?????????,????????????,?200??????????????????2??????16?????????????????06????????

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2??16??????8????17???????8???????,?????????????????????,?,???????????????????,?????(5~9?)????????????????????????????????????????????,????????,????????????????????????????????????????????????????????????????????????4~6???????????????????????????????????????5~7??

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2?17????????8??????18????8??,???????????????????????????????????????,?,??????,?(5~7?)???????????????????,??,???????????????????????????????????????4~5???????????????;??????????????5~7???????????

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