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

2?????200??vx????

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

4??????200??

5???????

????????????12?????26???? ??,????????,??16.2????????????????,??4.7??,???2.5??????????;??8000?????????,?3000?????,???2300??????????????????

???,??43??,??11.7%??????????????;?????51.8????,????????3%????????,?????????????

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