???????????????????????
?2???????????21???? (?????? ???????)????20????,??«?»?????????????????????????????????????????7???????????????????????????????????????????????????,????
??,??????????????????????????????????,????,??????????????,??,???????????“????”????????
????????????????????????,???????????
????,??????????????????????,???????????????
???????????????????????????,??,????????????????????????????????????,??????13??
???????????????,????????????????????,?????????????????????1??????12????????????97%?
??????86??
?2??????1??????????????????????,??????,???25%??????,?????10%???????2????3??????,???,???????????,???30??????????????????2?????????10??????????,????????????????3???????????????????????????????12??????????25%??(????) ?????????????????????:???
??