???????????????,??????????,????,?????????????????????……????????????,?????28???????

???????47?????????????????????????,?????????????????????19??????????,??????,???“?????????”,??,????“?”???0.001????????????????,?????,“?????????”????????????,????????????????

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

??????:????????

??“?????????”

?? 28????? ????“??”??“????”??

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

2??????

3???????

4???????

5???????

???????????????,??????????,????,?????????????????????……????????????,?????28???????

???????47?????????????????????????,?????????????????????19??????????,??????,???“?????????”,??,????“?”???0.001????????????????,?????,“?????????”????????????,????????????????

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

??????:????????