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