The city district space navigation system is closely relevant to people's daily life, provides convenient guides for the traffic, and is a significant part of a city's image.

城市街区空间引导系统与人们的日常生活息息相关，为人们的出行提供了便捷的标识引导，同时它也是城市形象的重要组成部分之一。

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Building robotic traffic police and guides will make it easier for people to overcome their diffidence.

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For instance, the same technology that guides missiles can be repackaged to provide satellite-based air-traffic management systems.

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