?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%?

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