To a city, urban land-use scale and structure are two aspects of one thing, and both are necessity.
对于城市，城市建设用地规模和结构是同一事物的两个方面，二者缺一不可。
The concept about land use is changed from destructive use to intensive use by the research on reasonable supply scale of land for urban construction.
城市建设用地合理供应规模的研究是人类从对土地的破坏性利用到集约性利用观念转变的飞跃。
It has comparatively good theoretical and practical significance to use urban land reasonably, control its use scale and to improve the efficiency.
对合理利用土地，控制城市用地规模，提高城市土地利用效率具有较好的理论和实践意义。
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