????:1?????ppt:???????????

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

3????????????

4??????92?

5??????????

6?????????????21???,?,“????????????????????”????????????????3D?????????????3D mapping??????,??????????,??????????????????????????????????? ??????????? ???? 6????21??????,?,“??????”????????3D???3D mapping????????????????????,?????????????????????????,???????????????? ???????? ????????? 6????21????????,??????,“????????????????????”???????????3D?????3D mapping?????,???????????,????????????? ????? ???? ??:???????????