????11????????22???????? ????????????????????22?????,????????????,???????????????

????????????????????????,???????????,??????????????????29??????,?????????????????????????????????????????15????,????

????,?????????????,????,???????????????????????????,???,??????????818.6???????????????,?????48.8%;??,??????488.5????,??78.6%?

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

?? ???:???????????818.6????,???48.8%

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

2?????????????

3????????

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

5???????

????11????????22???????? ????????????????????22?????,????????????,???????????????

????????????????????????,???????????,??????????????????29??????,?????????????????????????????????????????15????,????

????,?????????????,????,???????????????????????????,???,??????????818.6???????????????,?????48.8%;??,??????488.5????,??78.6%?

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