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

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

???6?8????????? (??)????????8??????????????CT???,??,?????,??????????????,??????

6???????????????????8????????,?????????????????????? ?????????????????????????

?????????????1978????????,????????????,??(???????????????)?????????????????????????,??

???,?????????????????????,????????,?????????,??????????,???????????CT????????,???

??,??:????????1?????????????????33?????19????U?,?????????????32?????????????23?????????;????1??44????,????8??????????52??4????

????????????????(????????????????????????)?(????????????????????????)

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

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

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