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4???1960????

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??????????????????12?19????????????? ??????,??????,???????????????????????19??21?,??????????;??,????????,???????????????

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19????21????,?????????????,????????????????????????????????????????4~6?,????2~4?,?,????????????????????????6~8?,????????10?????????????????????4~5?,?6~8????????;?????6~8??????????9~10???

??????????12?????19???????6??:??????,12??????19????????????8????????20??8?,??????????????????????????????????5~6??????????7~8??????,??,???????????????6~7???????8~10?;?????????????????7~8????????9????????????,????????????????9?????????????10~11???

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????,19?????21???????????????????,??????????????;??????????,?????????20???????????21?,??????????????????,?????

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12?19?8?20????8????,???????????????????????????????????????????????????????????????4~6????,????,????7???????;???????????????????????????????????7~8?????????9?????

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12??20??8???????????????????21??8?,????????????????????????????????????????????????????????????,???,?(5~8??)?????????????????????????????????????????????????4~6????;??????????????7~8?????

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12?????????21??8??22?8???????????????????,??????????????????????????????????????????????????,????,?(5~9??????)????????????????????????????????????????

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