????:1??????:?????

2?????????????

3????????

4??????

5?????????wx

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

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

 

????“?????????”?

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

“???‘????’???????‘???’,?????”??,???,?????????????????,????????“???????????????”?????“??”????????????????????

????????????????,??????????????????,??????????CT?????????,??????20%????40%??????????,????????90%???

??,??????????????,?????????,?,50????????,???50%???

??????,20??????,“???”?????

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

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

??????????????“?”??????????“??”

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

“??,?‘????????’,???????????????,?????,?????????????,??????”?????

??????????,8?“????????”???????????5??????????????,???;????????????????????68??????,???;??????8????????????,????3????????????,????????,????

??:“????,???‘???????????’,??????????????(5????),???,???,?????”

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

“?‘?’????????????,????????,???,???????????????”?,?????????????????????????????????,????(???????????)(«?????????»????)

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