地理界线

基于GIS的自然地理界线的判别分析

The discriminant analysis on physical geography boundary based on GIS

结果表明，该模式能模拟出现代气候态以及〔CO2〕变化的趋势。东北地区现代气候变化及其对生态地理界线的影响研究

The results show that this model can be used to simulate the modern climatic states and the variational trend of CO2 content as well . A Study of Contemporary Climate Change in Northeast China and Effect to Eco-geographical Boundaries

可拓工程方法在自然地理界线划分中的应用

Application of extension engineering method to division of physical geography boundary

边界是划分不同政治实体及其管辖地域的政治地理界线。

Boundary is a political geographical line between two different political entities .

各级保护区应当有明确的地理界线。

Protection zones of all grades shall be indicated by clear geographic demarcations .

自然地理界线划分的物元模型

A Matter-element Model to Division of Physical Geography Boundary

东北地区现代气候变化及其对生态地理界线的影响研究

A Study of Contemporary Climate Change in Northeast China and Effect to Eco-geographical Boundaries

并且有明确的地理界线的地区？然后带领一组专家到这些地区

that are geographically defined . And then bring a team of experts in there

他们还发现钉螺、血吸虫生长发育有效积温地理界线向北延伸了一到二个纬度。

They also found that the temperature increases had extended to the north by one to two latitudes .

国界是指国家领土范围的地理界线，是国家主权象征的一部分。

National boundary is the geographical boundaries of national territory , is also regarded as a symbol of national sovereignty .

该带不仅是一个地理界线，而且是一个由基底断裂带控制的前第三系雁列褶皱带和第三系构造转换带。

It serves not only as a geographic boundary but also as pre-tertiary en-echelon drapes and a Cenozoic tectonic conversion zone controlled by the basement fault zone .

当地球上每一个人都可以和地球上其他所有人双向接触、沟通时，民族国家控制其地理界线之内每一个人的力量可能就会开始减弱。

When every person on this planet can reach , and communicate two-way , with every other person on this planet , the power of nation-states to control every human inside its geographic boundaries may start to diminish . '

生态地理区域界线划分的指标体系

An Index System for Boundaries of Eco-geographical Regions of China

鲍尔肯断层是地理分界线。

The Balcones Fault is the geological dividing line .

客观地认识和划定生态地理区域界线是揭示生态环境时空有序性的重要途径，是地域系统研究的基础。

Impersonally recognizing and delineating the boundary is an important way to open out spatial order of the environment .

生态地理区域界线由一系列反映生态地理区域特征的指标为依据，通过其空间差异落实到具体的空间位置上。

Boundary of eco geographical regions is based on a set of index that indicates the regional features . It is located on special location by spatial differences in environmental features .

作为重要的地理气候分界线，祁连山区在我国自然地理上占有非常重要的地位。

As an important geographic and climatic dividing line , Qilian Mountain occupied a very important geographical position in China .

基于可拓工程方法的生态地理区域系统界线划分研究&以中温带半湿润、半干旱区为例

Demarcation of the Eco-geographical System Based upon the Extension Engineering Method & Taking Semi arid and Sub humid Areas in Mid temperate as an Example

秦岭造山带横贯中国东部，是中国大陆南北地质、地球化学、地球物理以及自然地理的分界线，因此，一直受到国内外地质学者的极大关注。

The Qinling orogenic belt is the division of geology , geochemistry , physical geography and geography between north China and south China , so it has become the focus of many geologists of the world .

从我国热带北界中段界线的划分，探讨生态地理区域的认识和界线的划分，着重生态地理区域之间界线的逐渐过渡特征。

This paper discusses division on tropical and subtropical boundary in middle portion of South China . This discussion results in new understanding on eco geographic regions and their boundaries , especially on gradual changes of natural conditions between eco geographic regions .