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

2????????

3?400?3????

4??????100?

5??????????

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

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

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

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