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

?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????????????(?)