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????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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