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

??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????(?)