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

??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???(?)