????11?????22????????????????????????????,?????,?????????????????????

??????,????,????????29????,????????????????????????????????15????,??????????????

???????????,????,????,?????????????????,???,??818.6??????????????,????????48.8%;???????????????,???488.5????,????????78.6%?

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“??????????”_????

?? ???:???818.6????,???????????48.8%

????:1???????????:????????

2???????

3???????????

4?????

5?????????

????11?????22????????????????????????????,?????,?????????????????????

??????,????,????????29????,????????????????????????????????15????,??????????????

???????????,????,????,?????????????????,???,??818.6??????????????,????????48.8%;???????????????,???488.5????,????????78.6%?

“??????????????,???????,????,?????”????????(??????????? ??????????????? ????????????????????? ????????)

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