During the initial damage assessment phase we have developed a land classification framework that has been largely used.
在损失评估的初期阶段，我们制定了现已被广泛采用的土地分类框架。
This paper demonstrates the principles, contents and methods of cultivated land classification in detail.
本文对耕地等级划分的原则、内容及方法都作了较为详细的阐述。
The purpose of this study is to develop a land classification system for national land use and land cover database building and macro land resources dynamic monitoring.
研究目的：研制基于遥感的土地利用与覆被分类系统，为国家土地利用与覆被基础数据库建设和宏观土地资源遥感动态监测提供分类依据。
The paper concludes that the basic element products of land based on remote sensing not only satisfies different users, but also provides a new idea and method for land classification.
研究结论：土地基元产品能够同时满足不同行业部门应用需要，为中国土地分类领域的研究提供了一种新的思路和方法。
The implementation of agricultural land classification, gradation and valuation metadata system.
农用地分等定级估价元数据体系的实现。
The town land classification and price evaluation is an important constituent of the land resource management.
城镇定级估价是土地资源管理的一个重要组成部分。
The city (county) scale as the complete basic unit of our land management and urban land classification is significant for utilizing land resource effectively.
市(县)级尺度作为我国土地管理的完整基层单位，城镇土地分等对合理利用市(县)域土地资源，具有重要的现实意义。
According to "the Rule of Urban land classification", the graded profit method is generally applied to the preliminary verification of city and town land classification.
城镇土地定级中初步土地级别的验证按照《城镇土地定级规程》的要求，一般采用级差收益值法。
Valuation of land classification in the land use classification based on the land, natural, economic conditions, further define the level of various land and benchmark land price.
土地分等定级估价是在土地利用分类的基础上，根据土地的自然、经济条件，进一步确定各类土地的等级和基准地价。
The implication of agricultural land resources security and its causes were analyzed. The standard plot system of agricultural land classification and its function were discussed.
该文首先分析了农用地资源安全的含义及其产生原因，论述了农用地分等标准样地体系及其基本功能；
After the comparison of optimized BPNN model and simple BPNN model, the result shows that, it is completed feasible to use optimized BPNN model in cultivated land classification work.
将优化后的BP神经网络模型和简单的BP神经网络进行比较，实验结果表明，基于遗传算法优化的BP神经网络模型在耕地分等评价工作中的应用完全可行。
After the comparison of optimized BPNN model and simple BPNN model, the result shows that, it is completed feasible to use optimized BPNN model in cultivated land classification work.
将优化后的BP神经网络模型和简单的BP神经网络进行比较，实验结果表明，基于遗传算法优化的BP神经网络模型在耕地分等评价工作中的应用完全可行。
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