????????????? ????

????:?????:??????????

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

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

  ????????????

?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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