land grading 整地 ; 土地等级 ; [经] 土地分级 ; 土地平整
agricultural land grading results 农用地分等成果
agricultural land grading 农用土地分等定级 ; 农用地定级
land grading unit 定级单元
farm land grading 农用地分等
urban land grading 土地分等定级
arable land grading 耕地定级
land grading factor 土地定级因素
It points out that the land grading in Chongqing City have different characters from other city, and some advices are given about how to apply the achievements.
指出重庆市土地定级充分体现了山城特点、在方法运用上力求创新。 提出了有关成果运用的一些建议。
参考来源 - 重庆市土地定级研究As a Complex process , urban land grading involves numerous evaluative feature, and land grades need regular updating.
城市土地定级工作参评因素繁多，过程复杂，且土地级别需要经常更新。
参考来源 - 基于GIS城市土地定级技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Therefore, the grade factors diffusion calculates the effect value of the grade units affected by the grade factors and it is the key to the land grading.
定级因子扩散用来计算定级因子对定级单元的作用分值，是整个土地定级的关键。
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。
For land grading and evaluating, training and learning method is adopted and the integration of them implemented.
系统采用决策树方法作为数据挖掘方法的基本算法，采用训练与学习相结合实现土地定级估价。
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