• Therefore, it is significant to study the change of cultivated land in both theory and practice.

    因此展开耕地资源变化研究具有重要理论意义实践意义。

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  • The change of cultivated land is core of regional land utilization change. It's change and change trend reflects basic state of society economy.

    耕地变化区域土地利用变化核心变化流向反映了社会经济基本态势

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  • This paper analyzes the change of cultivated land intensive use degree from 1990 to 2006 in China and its influencing factors using canonical correlation analysis.

    本文运用典型相关分析方法,对全国1990 - 2006年耕地利用集约变化态势及其影响因素进行了分析

    youdao

  • Firstly, on the basis of the author's past research, the paper verifies the change of returns to scale of farmer's cultivated land management.

    本文就是笔者过去研究基础上,对这种经营规模效益近世中的变迁展开考察。

    youdao

  • By calculating the relative change ratio of the cultivated land, the author analyzes the difference of the cultivated land changes in the different sections of Zhangye Oasis.

    通过引入耕地面积相对变化率计算分析了张掖绿洲区县耕地资源变化区域差异

    youdao

  • The purpose of this paper is to dynamically simulate the cultivated land use tax and the quantity change of cultivated land.

    研究目的:对耕地占用耕地数量变化进行动态模拟

    youdao

  • But in recent years, rural land transfer occurred during the change of agricultural land use, especially in the non-food phenomenon of cultivated land has increasingly become the focus of attention.

    近年来,农村土地流转过程出现农地用途变化特别是耕地非粮化现象越来越成为关注焦点

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  • Cultivated Land to -0.3% average annual rate of change, of which City bridge area of cultivated land area and the maximum rate of change, the minimum rate of change Shanghe County.

    济南市耕地年均变化速度达到-0.3%,其中市中区天桥区的耕地变化速度最大商河县变化速度最小

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  • On the other hand, with enhancement of productive forces and change of other affecting factors, the proportion of human activities affecting on cultivated land continuously increases.

    一方面,随着生产力水平提高其他因素影响人类活动耕地变化的贡献率不断增大,耕地变化影响因子的作用也存在明显的时间差异。

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  • An analysis and study on the characteristics of cultivated land dynamic change is very important in protection, growth and utilization of cultivated land.

    耕地动态变化特征分析研究耕地的保护,整理开发利用均具有极其重要的意义。

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  • The quantitative change of the cultivated land from 1990 to 2001 in the urban fringe of Wanbailin District, Taiyuan, Shanxi Province was studied, applying GIS techniques and statistical method.

    应用GIS技术统计方法对1990 ~ 2001年太原市万柏林城乡结合部耕地变化进行定量分析

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  • Elaborating the soil fertility condition of Kazuo county's cultivated land and the change from those of the second general survey of soil;

    阐述耕地土壤肥力现状第二次土壤普查相对比变化情况;

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  • The purpose of this study is to analyze the driving factors of cultivated land quantity variation and find its change mechanism in Heilongjiang Province.

    影响耕地数量变化因素错综复杂,简单的回归分析不易得到满意的模型结果。

    youdao

  • A great quantity of cultivated land is saved and the land resources are effectively protected due to the change of the raw materials.

    原材料改变节约了大量耕地有效保护土地资源

    youdao

  • A great quantity of cultivated land is saved and the land resources are effectively protected due to the change of the raw materials.

    原材料改变节约了大量耕地有效保护土地资源

    youdao

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