????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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