??
????????????2??12? (????????????????????????? ??????????)2????????12???????????,???38??????40???
???????,??1988?????,38????,??????????????21?????????????,???????????????????????320??????????,??,??????????1.63?,????????????
?????,??????????????????250?????
????????????????????,?????????????????,??????400???????????????,????????,???
?????????????,?????,?????????????????????(??????) ??:??
?????????
????????????????????????????????????????