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

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

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

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

??“??????”????

?? 28?? ????“?????”????“??”??

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

2?????????

3???????

4????????????

5???????????

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

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

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

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