????????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%?

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