?? 6?????????70??? ????????
????:1??????????:????????
2???????????
3???98????
4????????
5????
?????????????????????7????????????15?? (?? ??)6???????????????????????????15??,6????,70??????????????????,?????????
???????,???????,6?????????????????????,??????0.5%,?????????????0.2??????0.7%,?????????????????????0.6%,??0.2?????
????????????,???????,?????????????????0.4%,???????0.8????,???????????????,????????0.2%??????????????????0.5%?????????????????????0.9%,?0.1???????????????????????????0.9%,????????????????????
??6????????????????,???????,??????????????????????,???????????????????
??????????????????,6???????,70??,??4??????????????????,?????
???????,??58??,???????,????????????,??“??????????”????????????????,6??????????????????,????,????(????) ??????:???????????????????