土地利用

It is pointed that reasonable ecological sings for land-use should contain the producer, consumer and disintegrator.

认为生态脆弱矿区土地利用调控标志应该是包含土壤、植物、动物的综合体在内的一系列可测度值。

Secondly, BP neural network model is built to compute the ecological index, based on the results, five types of ecological community are divided, and the difference between the communities of the same type is discussed.

根据各社区土地利用现状和生态化指数的分布情况，将社区分别划分成五大类型，并比较各类型社区之间的生态水平差异。

Land is used get nature and human activity double element drive.

土地利用受自然和人类活动双重因素驱动。

The land use data is the main geographical data and will play an important role in the control of agriculture nonpoint source pollution of HanBuhe Drainage Basin.

土地利用数据是进行流域农业面源污染治理的重要基础资料。

Simulation research is divided into two parts, i.e., dynamic simulation and static optimization.

对城市土地利用系统从动态和静态两个层面进行了仿真研究。

Many researches focused on ecologic optimization,land use,economic development.

在众多的研究成果中多从生态环境优化、土地利用、经济发展等角度进行了探讨。

Studying the land use changes in the Loess Plateau can provide important information for decision-making of ecologic construction.

研究黄土高原的土地利用变化，可为其生态建设提供重要的决策依据。

It is of significance to study the effect of land use change on ecosystem service values.

研究土地利用变化对区域生态系统服务价值的影响具有重要意义。

Agricultural activity is the main landuse form in ecotone between agriculture and husbandry.

农业活动是农牧交错带土地利用的重要形式。

In order to change ability of weaker sustainable development of Three gorges reservoir area, instability of ecology, promotion effectuation strategic objective of land sustainable use in Three gorges reservoir area, it is necessary to integrated control present situation , potentiality of land use and driving forces of land use change, to search main obstacle on land use, to research and analyse

取得以下主要结果及结论： 1、通过图件、数据资料的收集，并结合2005年53个乡镇的土地利用实地变更调查，在landstar软件的支持下，采用图形扫描、矢量化和属性录入的方法建立了三峡库区万州土地利

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。