???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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