????8????????2?????? (???????????????? ??)??????????????????,“?????????”8?????2????,?????????3D?????????????,?????????

????????????,“???????”?,????3D???????,?????????????????????“????????”?“??????”?6?????????????????28??7???????????21??????????,???????????3????????????,???????????

?,??????3D?????????????????,??????????,??????

8????2???,“???????????????????????????????”????????????????????????? ??????? ?????

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

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

???????????????????,???????????2019???????????,?????????,???????“????????????”???????????????,???????????????????,“??????????????????3D?????,?????,???????,??????????”??????

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

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

???????????????????????????(??)

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

?? “?????????????????”????

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

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

3???????

4????????

5??????????

????8????????2?????? (???????????????? ??)??????????????????,“?????????”8?????2????,?????????3D?????????????,?????????

????????????,“???????”?,????3D???????,?????????????????????“????????”?“??????”?6?????????????????28??7???????????21??????????,???????????3????????????,???????????

?,??????3D?????????????????,??????????,??????

8????2???,“???????????????????????????????”????????????????????????? ??????? ?????

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

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

???????????????????,???????????2019???????????,?????????,???????“????????????”???????????????,???????????????????,“??????????????????3D?????,?????,???????,??????????”??????

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

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

???????????????????????????(??)

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