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

2?????????

3???????????

4??????????

5???????

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

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

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

??,??????

1956???,??,???????????????,????????????????????«??????????????»???????“??????????”??????????,?,?????“??”????“??????”???,??“?????”“?????”???????????????????“????????”????????,“?????”??;“??”?????????????,???????????????;“?????????”????????????“???????????????????????????????”,?????

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

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

?????,??????“???”“??”“??”???:?????“?????????????????????”;?????,????“????”;?,????“??????????”????????,???“??????”??????????????????«????»???

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

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

???????????,??113??????????????????????????,?????!

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