????2??14???????????????????????????????3??31??????????????????2014????????????????????????????10M????????????????10M??δ????????????????4M???μ??????????4M??
??????????????????????????20M?????????????????????90%????????4M??????????????????????????95%??
???????????????????????????????????????????????????50M??100M??????????????????????50M????????????2680?/??100M????????????3280?/????????“??????”??????????°?100M??????????°???186?????3G?????????????????296?/?￡?????100M?????110?/???
???????????????????????“??????”С??棬??????????????????????????????????????“100M”?????“???????”??
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???????????????????????????????ж??100M?????????????????????????????δ??2-3???????????????????????????????????????????????????
????????????????????100M??????￡????????Щ????μ??Э???802.11n??·?????????????·???????????100M????????????????????·????????802.11a??802.11g????Щ·??????????54M?????