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

2?????50????

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

4???????150??

5????????

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

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

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

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