????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%?

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