???????????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%?

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