电力的中断使城市内的交通陷入混乱状态。
作者解释说,城市间的影响要比城市内的影响小。
The between-city effect was smaller than the within-city effect, the authors note.
现代城市内的污水管道施工,主要采用的是顶管的施工方法。
In modern city sewage conduit construction, what mainly USES is top pipe's job practice.
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