?? “90???????”???? ??????“????”?
????:1????????????:????300?3??????
2???????
3???????????
4??????
5?92??95?????
???????????????????6???????11??????????????????(??????)??????????????“???”???,???????????“??”?????
??????“???????????????????”??????“????????????????”????????????????????? ????????????????????????,??1990?????32?????70???????????/??,????26??????
?“90???????”??,?????????????????????????????????????????:“?????????,?????????????”“?”“??”???????“?????”?
????????,??“90×90×90:????”?????,???????90???????????????????“90??”?????90??????????????????????????????,??????????32???????????????????“90×90×90”???,????“90×90×90”???????
?,?????:“??,???”
“??????”???????????? ????????????,“????????????”?6????,??????9???????????????????????,???,??(?)
???????????????:???