????????????????????????

????:??????????:???????????

1?3????????????????,?????2???,?????????????8??????????????????,?,?????“????”????????

?????,???????????????????????????,???????,??“?????”,?????????“??????????”,???????“???”?????????,???“?????????”???,???????????????????????????????????????,?????????????????????????????????????,??????,??,?????90%?????,??????,??????????,?????????????????30%?????

?,?????12??,???????????????6?,????,??,????????????????????????????????????????????

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

??????????????:???????????????