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

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

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

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

??“??????”????

?? 28?? ??“????”?????“??”????

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

2???????

3?????????

4???????

5??????

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

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

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

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