??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??????????????????????????,??????????????????,???(????????????) ?????????????????:???????? ??“???????”????

?? 6????????70????????? ???

????:1????????:?????????

2????????????

3??????????

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??????????????????????????,??????????????????,???(????????????) ?????????????????:????????