????:1??????:??????600?????

2?????qq

3?????????

4?????????????

5???????

?????????6?????????16???? ????:?????????????“80???”??? ??

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

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

1984?????????????,???,????????,?????,????????????,?????????

?????????????????,??????,????????“????”“????”,???“??????????????????”,????“?????????????????,??????????”???2015??????????,????

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

“????????,?????????????????????????????,?,?????”????,?????,??????????????????X????????,??????????????????????????????????

?????????????,????????,??????????????,????????????????,????????DR????????????????????

?,?????????????60???????????????????????????????,??????500?????????????????????????????????,??????????CT???????????????????????????????????????????

“??,?????,???????,????”???

????????????????,???,???,?????????????“????????????????”,???????????????????????,?????????,?????????????????????????,???

“?????????15???????20????????????????”????,?,??????,????,?????

“??????????????????,???,????????????,??????”????????????,?????????

??,???????,??,?????????,????????????????????????????“??,?????????????????????,?????????,????????????”

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

“?????????????,?????????????,???????,????????????????????????????????????????,???,CT??????????????????”??????????(?????????)

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