?“??” ??????2671???????

?????????????????????????????(?)

?????????“????????” ?2671??

?????2????20????????? (?????????)??20?:?,????2??????????????19??24??????????????????????,????2671?????????????????????????????(?)3???????????????????

???????????????,??2?19??24??,????16.9??????????,???64.7????????????????????????????,??,?,?????35%,??????????????20%?

??????????,?????,??????????????,?????????“??”;??????????????,?“12+N”??;?????????,??????,????????????? ??????????:?????