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

2?????

3???2021??

4?????150???????

5???????

??9????????29????????????????????? (???????????????? ??)?????????????????75???,“????????????????????”29?????????????????,???????????????????????????????????????60??????????????,??100?????,??3D????????

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

?????????,?????????????????????????????????????????????????,????????????????????????????????????,????32???????????????????“???????”????????????????100?????????……???????????????,?,??????,??????????“???????????????”???

??????????????,?????????,??????????17??,??????,????????,??????????????????

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

??,?????,?????????«??»????????????????;???????,????????????????????????????????????????????????????????????????8?????,?????????,?????????????????

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

????????,??3D??????????????????,????20??,?????3D?????????????????,?????????????????????,??????100?????,??????????????????????????????????(????????)

???:??????