The city operates as an efficient loop - everything is recycled for something else.

这座城市就像一个“高效环”在运作——一切都可循环利用。

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This disastrous situation must be avoided by design if the water side is exposed to the city water system because the collector loop eventually fills with water, and all freeze protection is lost.

这种很严重的状况，如果水侧暴露至城市系统，则必须通过设计避免，因为收集器回路最终会用水充满，且所有冻结保护都失去。

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As the important transfer node of city periphery, the interchange's construction in urban outer loop must initiate re-distribution of the traffic flow in affect regional.

城市外环互通式立交作为城市外围重要的交通转换节点，其维修施工必然引发影响区域内路网交通流的重分布。

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Downtown Chicago, the city's business center, is known as the Loop.

VOA: special.2009.01.12

Presenting sweeping views of the city skyline, the greenway runs east to Beckton and, after the summer, will connect westward to a full loop around the city via Islington and the Regent's Canal.

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Their retro-fitted private planes loop from the city of Arusha to the smudged bush airstrips found in the northern circuit of great game-watching national parks.

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As a result, the neighbourhoods along the loop count among the city's most developed.

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