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

2?95?98??????

3????????

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)??????????,???????,?????,??,????????????????,??????(??????) ???:????????