???????????????
2???10?????????,??????,????????????????(????????)???,8???,??????????,?,??????
????,???,????????????????3???????????????????????????,???700???????????????????????????????????????????????????????????????????,?98.2%?
????????(???????)???8????,???70????????????52?????,?????????????????????20?????????
???????????,???2??????????20?????????1?????????15????,???500????,??????????(??? ?)
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