1??????????????21???????,???????????,??????????????39??????????????????,??????????????????,??????????1700??,?????????,????
??,????????????????????«???????»???????????????IP????????????????????????,?“????????????+3D??????????+???????????????????+?????”??????????,?????
????? ???? ???
?????????:????
?????????????:??????
?????????:????????????
????:????????????????????
?????????????:????
????????:??4?????????
????????????????????
?????:???????????
???:???????????????????
????:???????????3.07%?????…
???“??”???????:??????
???:1-2???????5640????8.6%
???:1-2???????5640????8.6%
????????????????????
??????????????????????
?????????18.71?
????????????????????
????????:??4?????????
?????????“??”??????????
«?????2»??????????????
??????7???,??????!
????????:????????????!
?????:???????????
??????????!?????????
???·?????«??»??????
????????????????????