Urban land Grading is to assess the land quality within different sections of a city.
城镇土地定级是对城镇内不同地段的土地进行质量评定。
Terrain factors have a profound impact on land quality and land use in urban land grading.
在城镇土地定级中地形地貌因素对土地质量空间分布产生着深刻的影响。
This paper firstly introduces the significance and character of creating the information system of urban land grading and evaluating and purpose of the research.
本文首先简单介绍了建立城镇土地定级估价信息系统的意义、特点以及本文研究的目的，并对国内外在此领域的研究状况进行了概述；
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