????:1??????????:???92?95?98??

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

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

4??????

5?????????????

??6???????27??????????????? (? ?)26????????,“??????????”“??”???

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

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

?“?”??????????????????? ??????

“???????????????”??????1+3+N?????????????,???????????1?????????3???N???????????????????;??????????????,N??????????????N???????,???????????????????????????4?16?????????

??,????????97?????6??????????????,??????????19???????1089?????2????????2??,?????????

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

???,?????????,??????????????,?????????????????????????????,??,??????3????,?????????,??????????VR????????

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

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