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

2????92,95,98?????

3??????98

4?????????

5?????????

??????????????2???????????????12?? (????????????????????????? ??????????)2???12??,??????38???????????40?????????

?????????????????,?????????????1988???????????,38??,????21????,???????????320??????,??????,?1.63?????,?????????????????????

?????,????????250???????????????

?????,?,???400??????????,?????????????????,??????????????

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