?“??” ???????2671??????
????????????????????????????????????(??)
??“?????????” ?2671??????????????
??????2?????????20?? (??)??????????20????:?,??2?19??????????????????24??????????????,??2671??????????(??????)3?????????????
??????????????????????????????,??????????2??????19????24????,?16.9??,?64.7???????,?????????,?,????????????35%,?????20%?
?,??????????????????????,?????????,??????????????????????????????“????????”;??,???“12+N”??;?,???????????,??? ??:???????????????
??
???:????