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2004年7月,美国费城首次提出了基于Wi-Fi802.11b标准的“无线费城”计划,之后新加坡把无线宽带定位为城市第五公共事业,“无线城市”的概念和
In July 2004, Philadelphia for the first time put forward the “Wireless Philadelphia” plan based on the Wi-Fi802.11b standard. After that, Singapore positioned wireless broadband as the fifth public utility in the city and the concept of “wireless city”