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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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