?? ??“????”???“?” ??“???”???
????:1???????????:??????
2?????????????
3?????????
4????????????
5?????SN
??????????11????22??????????? (?????????)“??‘??????????’?????????,??????‘????????’???????‘?????????????’,???????????‘?????’‘?????????????’?”??????????22????
??,??????????“??????? ???????????”????????
?????????????? ????????????????????,???????????,?????????250??????????????4600????????????70??????
“???????,????,?????????????????????”??????????????,????2020?????????????,?????“??”,??????????,????15???????????????????????????????????,?????????????????
????,??????,????????????????,???????,??????????????????????????
???,??,???????,????????????????????????????,???????????,??????????IP?
?????,??????????????,?????????,??“???????+????”????????????????,?????????????????????????????,??4000??,???1100??????,???,????????????,??
?,????,?????,????????“???”,???????????“??”????4????16??????????????????????,?????????????(??????????????)
?????????:????