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??2???21????????? (???????????????? ???????????)?20??????????????,??????�?�??????????????????????????????????7????????,????????????????????
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???????????????????????,?,????????????,???13?????
???????,????,??????????????????????1????????????12????????????????????97%?
??86???????
??????????2??1????,?????,????25%???,??????10%??????2??????????????????????3???????,??,??????????????????????,????30???????????????????????2??10??????,?????????3??12???????????????25%?????(??????????) ????????????????????:???????