The Urban system is a system that consists of some cities and these cities are different in scale and character and interact with each other.

城市体系是一定地域范围内不同等级、不同性质的城市所组成的相互联系、相互作用的系统。

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It will also help fund a small number of real-world experiments that try different transportation techniques in cities and towns around the country using advanced vehicles at scale.

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Sandusky, who worked on London's bid for the 2012 Olympics, said the two cities' bids were different in their scale, since London's games are aimed at regenerating large swathes of East London, "an area that's been poor since the times of Dickens, " he said.

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