Razing existing structures to prepare for new development is standard practice in urban planning.

拆掉现有的建筑物来为新一轮建设扫清障碍，这是城市规划的惯例。

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To set a green land norm is one of the important parts in the urban planning of the green land system, as well as a standard to evaluate the environmental quantity and quality of a city.

城市绿地指标的制定是城市绿地系统规划的重要内容之一，是一个城市绿色环境数量及质量的量化标准。

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Water consumption index is a basis for planning and construction of urban water supply and drainage projects and it is very important to set the proper standard for water consumption.

用水量指标是城市给排水工程规划建设的基础，合理确定用水量标准十分重要。

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