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

2?????????

3???????????

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

5??????????

???????????????????12?28????? (?????????????? ????????)?????27???,??1000?(????)?????????????

?,????????,??,??1000?(??????????)??,?????????????????????????????????????,??????????????????????????????

?????????????,?,???????“3I”?????,????????“???????????????????????”,???????????????????????????????????,?????(????)

???:????