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???2??10???(? ?)?“????”??
???????,???????2??12????????????????????????????????0.01%?0.1%?0.1%?0.2%?0.3%,???9-30??
??2????????15???????????????????????????????????????????0.15%?0.25%?0.4%?0.6%?1%????20-58?????
???,????2???10????????????????????????????,???650??????????????700???(???????????)
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