Secondly, the paper discusses the main functions of the temporary road system, advances the feasibility and necessity of optimum design.

其次论述临时路面系统的主要功能，提出优化设计的可行性和必要性。

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Presently, the complete loading calculation mode is widely used as the design method of the metro station, but the vertical load from the temporary road surface system isn't taken into account.

目前，我国地铁车站设计中普遍采用的一次加载的计算模式，也没有考虑盖挖施工临时路面体系传递的竖向荷载。

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Together these technologies create a system that provides immediate warnings of delays, accidents, temporary speed restrictions and road conditions -- the everyday hazards that lie in wait just around the corner.

CNN: Behold the?all-seeing, self-parking, safety-enforcing, networked car