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

2?????

3??????????

4????600??????

5??????400?4??

???????????6????28?? ??????,6????????????????28??????????????,?????(CNNIC)?????????????«??????????????»(???????????«????????????»)?«????????????????????»??????????,??????????,???????????????????????,??????????????9?????,??????????????????????“??”????5.3??2.3????????????????

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???????????,??,?????????????????,??“????????”?????????????????“??????????”????????????????,??“??”???,66.5%??“??”????“618”????,??,???????????????6?????????????????,“?”?????????????????????????????,??????????IP????,??????????“?”“???”?,??????????????????“???”“????”“?”?????????????????????????,?5??,????????????20%,??????????????????1-4?????????????,????????????????77.6%?“??”??????????12.7%,?2019??????????????????13.5%?

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???????????,?????????????????????,25%????????????????,??????????????????????????????????26.1%???????????????????,??,????????????????????????25%?????????????????????????????????????,??

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?????,????????????????????????????????????,?????“90???????????”“00????”“????”????????“90?????????????????”“00????”????????????????“90??????”“00?????????”?????95.1%?88.5%,?????????????????????“??”????????????????????????60????69.8%?“??”?????,??????????????????????????????????????,????85.4%,?????????????????,????27.9?8.1??????????2.8?????????????????????????,?????????76.7%;??,????????????????????1.2?? ???:????????????