??2????10???????????(??? ?)????????“??????”?????

???,??????2???12???????????????????????????????????????0.01%?0.1%?0.1%?0.2%?0.3%,???9-30???

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?2?15????????????????????0.15%?0.25%?0.4%?0.6%?1%?????????????????????20-58??????????

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?,???2??10?????????????,????650????700????????????(????)

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