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

2???95??????

3?????

4???????????

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

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

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

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

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

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

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

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

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

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

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

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