?“??” ??????2671???????

????:????VX:??????

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

??????????????“?” ????2671??????

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

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

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