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

2???????????

3???????

4?????????????

5???????

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

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

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

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