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

2???????

3????????

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

5????????

????????????(???):????,??????,??,???????????

?????160????3.5????????,?????????????????13??44???????,?????????????3400??????????,????????????“???”?????????????????????“??????”??,?????????????

????????,?????????????????????????,????12?????,?????????????????????60??????,??????????????3??

???????????????,????460?????????,?????????,?66.5%???????????????????,?????????????????,?????????????????,??????“??????????????”,?????20.56???????,“???”?????????????“???”?????,????????????????,???????

???????????,???16740??????????????,??????????????????6.3%? ????????:?????????????