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3??????????

4?????????????

5??????150

?6?29?????(???)?29?(????????????????????1????????):?,??29???17?,????????????20.13??????????,??0.33??????;?10.13?,?0.13????????

6?27???????20?????????????????29??17?????????,?????????1983?????50?????(????45.7%),???1015????100??(??23.4%),?415.0???????????117.9??,?110.6???????????????

29?18?,???????????,29?20?????30??20??????,????,??????????????,????????????????????(????,???????)?(?) ??????:??????