2????10???,????,??????????????????(???)?????,8?????????,?????????,?????????,?????????????

?????????,???????????????????????????????,????3????????????????????,??????700??????????????????????????????????,???????????98.2%?

?????????(????)???8???????,??????????70???????52???,????????20????

?????,?2????????20??????????1????????????????15???,????????????500???,????(??? ?)

?????????:??????????????????

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