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

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

3????????

4??????????

5??????

???????????12???28?????? (???? ???????????????)28??????????,???????????“??”“????”“?????”??????,?????????????,????????2?????????,??????????????,??????

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

????????????“?????????”???

?????????????,??? IP«??????»????????????,??????????????????,???????????????“???”?????????????????,????,?“?????”???

??????????,«???????»???????????????????,?????????«?????????????????????»,????“??????????????”???????,???????????????????????,??“??”?“????????????”,????????,????,????,?????????“?????”?

???????????

????“??”???,????“????”??,????5700???????????????22.5??????,??50?????????????????5?????????????20??,????,??????

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

????,???????300??????????????????????????????????????????????????????????????????????“????????”?XR????????

?????????

?????“????”??????,????????????????,???????

?????????????,?????????????,??,“??”?,??????????????240????,????,???????(???????????????)

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