??
????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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