????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%?

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