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

2?????????

3???????

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

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

????????????????????????????12??20? (???? ?????)?????????????????20??,????,???????????19????????????????????????????????

??????,????????,??,???????,??????,?????????,??????“??????”;????????????????????,??????“????”;??????????????????????????,????????

????,????,??????,????????,??«??»,???????????????????,???????,?????

????,???????????????????????????????“??????”???????????,?????????????,?????????????,??,?????????????????????????????

????????????,????????????10???????????????,???????????????????????????????????????????,??????AIS????,????????????????,??“??”?,????????????????,???????“??????????”????????,?????,????????,?????????????????????,?????????(??????????????????) ?????????:???