??
????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????
??,???????????2???10???,??????????????650???700???(?????????????)
????????????:?????????????
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