????:1????????:??????

2??????????

3???????

4???????

5?????vx

????2???17??????? (?????????????? ??????????)???????“?????????????????”17???,?????“?????????”?????,73.6%???“???????????????”?

?????????“???”,?,??“????????????????”?????????????5?????17???????????,???“?????”????????????,???,???????

“?????”????????????????,?40???60?,?????????????73.6%????????,????,??????87.3%?

?????“????”????“????????????”,???????“????”???????,???????????????57.8%????????

?????????????,“?”????????,??????,??????,??,?????????????????,???????

“??”?,???,?????,????????????????????????????

??????????,??,???,?????“???????????????????”????,???

??????17??????,??,?“???????”????????????????“???????”????????????(???????,???????)??,????????????“??”???????????????,???????????“????????????”???

????,“???”??????????2??????????????????10????12??????????,???1069???(???????????????????) ???:????????