?? “???????????”???????????
????:1???????????:????????????
2????????????
3???????????
4?????
5???????
?????????????????????????6??28? (????????????? ?????????????????)“???????”28???????????????????????3D???????????????,????????
????,??????????????????????????,??????????????????????“??????”,???????,??,??????????,????????????
6??????????????????28?,“????????????????????”??????????????? ???? ????????????,??,??????,?????????????????“????”?????????,?“?????”?????“????????????”?,?????????????????????????,??????????
6???28??????????,“?????”?????????????????????????????????? ??????????? ?????????????????,???????????????????????????????????????,?????,????????
??????,???????????,???3D??????,???????????,???,?????????????????,??
6????28???,“?????????????????”????????????????????,?????????????????? ??????????????????? ???????????????????????????????????6?????28??7?????21????????????,?????????????????(?)
????:??????????????????