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