?? ???????????? ???“??????”???????
????:1???????????:????qq
2???????
3?????v
4????????
5???????
??12??18??????? (?? ??)??,???????“??”???????????18???????
???18???????16??13??,??19?,????????????????7????9???????????9?10??7???????8??????????9?????????,?7?9????????9???10???????????????6??7????????????8?9???,??8??????????????9???????????10???????11?7??8?????9??10?????????????????????
???????,??,???????18?????19?,???????????4.0??5.3?????,?????3.5?4.8?,????????3.0?4.5??;????????????????????????????2.3????3.3??;??1.8??2.8???????
?12??,??????????????????????????????,???????,????
??????,???????????,????;?,?????????????????(AIS)????,????,????,????????????,??,?????????????(??) ???:???????????