??????????????????????

??

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

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

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

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

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

?????????

????????????????????????????????

????????