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

2???????????

3??????????

4???????

5????????

??????????????????9????15???????????? ???75????14????????????????????????????????????300?????????????????????,?????????????????75????????????,???????

9????????14????????????,??75????????????????

?,??18??????????????????????????????????????????????,???????1989??????????????,????1990???100??????,??

???????????????,??????????????,??????,??,??????????????,?????????,????????????????

9???14????,?????75??????????????

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

????????:??????????????????????