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1????????31????2??2????,??????????????????????,?????????????????????????????,????2~4????,????6???????????,????,????

2?2?????3????,?????????????????????,???????????4~6?,??????????????????6~8?,?4~5???????????????????,??7~8?????????????6~8???????9??????,?????????????,??????????????????????????????????,??5~7??????8~10?????????????????,?????11???????

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??,1???????????31????2?1??,??????????????????????????????????????1???????,???????500????????????????

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1?????31???????08?????????????2??????1??08???????,?????????????????????????????????????????,??,???????????????????(10~15???)?????????????,???(25~30????)??????????????????5~7????8~10????????11?????

?(1?31??08?????-2????1??????????08????)

2????1?08????2?08?,?????????????????????????????????????????????,??,????????????(5~7?????????????)??????????????????????????????????????????????5~7?????????8~10?????????

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2???????2?08?????3?08??,?????????????????????????????????????????,????????????,???????????????????????(5~6??)??????????????????????????????,?????????????????????????????4~6????????????,????,???????????6~7????,??7~8?????????

?(2????2?08?-3??08???????)