????????????????????????18??,?????????????????????,?????????????20?????“????”???

????????:“????20?????,???????????????????(????????????)??”

????????????1980??????4?????,???????

??,??????????????20??,?????“?????????????????????????????”,????,???“?????”??“??”?

???????????,“???(????????)????????”,?“???”,“?”? ???????????????:?? “?????”_????

?? ?????“??????”??????:??????

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

2???100??????

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

4?????

5?95??????

????????????????????????18??,?????????????????????,?????????????20?????“????”???

????????:“????20?????,???????????????????(????????????)??”

????????????1980??????4?????,???????

??,??????????????20??,?????“?????????????????????????????”,????,???“?????”??“??”?

???????????,“???(????????)????????”,?“???”,“?”? ???????????????:??