1????21????????????????,????????????????????????????????????????????,???????????39??????????????????????????,????????,?1700???,????????????????,????

???????,????«??»?IP???????????,????“??????????+3D??+??????????????+???”?????????,?????????????

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

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

??“?????????”????

?? ??????????????????39?

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

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

3?????????

4?93????????

5??????????

1????21????????????????,????????????????????????????????????????????,???????????39??????????????????????????,????????,?1700???,????????????????,????

???????,????«??»?IP???????????,????“??????????+3D??+??????????????+???”?????????,?????????????

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

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