空间分布模式的英文

spatial pattern

例句与用法

Based on the natural conditions , land use and production situation and implementation of the valley harnessing measures in the anjiagou river basin , dingxi county , gansu province , in this study the land use types , spatial distribution mode of land use structure , costs of farming , forestry and animal husbandry and their economic returns are analyzed , the qualitative and quantitative maximum economic returns of agriculture and animal husbandry are lucubrated , and an optimized design of land use structure is carried out by using the linear programming method and developing a mathematic model under the restriction of land area , labor forces , livestock forces , social requirements and forage supply
摘要根据甘肃定西安家沟流域自然条件、土地利用状况、治理措施和生产状况，通过对土地利用的类型、结构空间分布模式以及人财物资源的输入和输出分析，以种植业和畜牧业总体最大纯经济效益最高为目标，从定性到定量，通过建立数学模型，在土地面积、劳动力、畜力、社会需求和饲料需求的约束之下，应用线性规划方法进行土地利用结构优化设计，求解最优目标解，得出优化方案。