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

2?92?95?????

3??????????

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

5?????200??500

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

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

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

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