????:1?????:????vx

2??????

3??????????????

4??????????????

5????????????

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

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

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

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

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

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

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

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

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