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

2?????????499

3????????

4????????

5???????

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

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

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

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