Chapter 4 , the paper analysis hydro - eco changes on the continental river of arid area how to affect lake , groundwater , vegetation , animal , partly climate , etc . chapter 5 , the author study hydro - eco evolution and watershed eco - environment changes of tarim river , analysis the reason of hydro - eco changes about tarim river according to geographic characteristics and hydrology characteristics of tarim river 第四章分析了中国干旱地区内陆河水文生态变化对湖泊的影响、对地下水的影响、对植被的影响、对动物的影响、对局部小气候的影响。第五章根据塔里木河及其流域地理特征、塔里木河的水文特征，研究了塔里木河的水文生态演变以及流域生态环境变化，分析了塔里木河水文生态变化的原因。
Meanwhile the qinlin mountain range also forms the border between yellow river valley in the north and the yangzhi river valley in the south , hence the region serves as a sole bridge between the qin ' s area ( representing northern china region ) and shu ' s area ( representing southern china region ) , and from a geographical view , southern shaanxi province works as a channel for the remote areas in huna and hubei provinces 正是由于陕南地区明显地具有南北过渡、东西交汇的地理特征，陕南地区无论是自然环境，还是经济、社会、文化，都具有一定的典型性。所以，陕南农业经济的开发，既可以代表南方亚热带稻作农业和北方暖温带旱作农业两种不同的开发模式；又包涵平原、盆地、丘陵、山地四种主要地貌形态的开发特征。
As a result of its unique island country geographical characteristics and in order to promote the economic and social development , large - scale construction of cross - sea bridges and submarine tunnels was carried out by japan after the second world war , which linked up the traffic between the four main islands of the country 摘要日本由于岛国的独特地理特征，为了促进其经济和社会的发展，在二战之后进行了大规模的跨海桥梁以及海底隧道建设，从而实现了四大主岛陆路交通的联结。
From the independent encapsulation , real - time query , and dynamic analysis , the paper describes the information encapsulation , information query , and error analysis facing the geographic feature under gis environment . so the position information , attribute information , and accuracy information will be combined together . that is called the organic combination of information store and information visualization 本文从独立封装、实时查询分析入手，探讨了gis环境下面向地理特征的图形信息封装、查询分析方法，使位置信息与属性信息，定位信息与定位精度信息，信息存储与信息可视化有机结合在了一起。
And it projection the covers of firepowers . the content of this chapter is the core idea of the tow ; the sixth chapter analyse the informations , puts forward the disposal rules , and three key guidelines . at the end of this chapter , it applies the algorithm of pso , make the integration covers of firepowers the core function as the pso . finally induct the optimized firepowers disposals 第六章综合考虑保卫目标信息、指定责任区域的信息、敌人活动规律以及周围地理特征信息,提出了布置火力点的规则,以及衡量该阵形的三个关键的效能指标,其中的空域综合覆盖度是我们所特别关注的。
Drawing on the experience of the classification above from the aspects of geographical position and spacial distribution , geographical feature , geographical process , geographical causality , spacial interaction and people and the earth ' s coordinating way , the probe tactics of different geographical problems are analysed in the article 借鉴以上分类，文中从地理位置和空间分布、地理特征、地理过程、地理因果关系、空间相互作用、人地协调途径几方面，分析不同地理问题的探究策略。
The impact of lulc variation on regional climate is first discussed theoretically , and then a regional climate model is then used for a topography change simulation in arid region to analyze the impact of topography to climate in arid region . the results confirm the crucial actions of topography to climate in arid region . but these geographic character is unchangeable , so we must depend on factors that activity of human being can affect , such as lulc 论文首先从理论上讨论了植被变化对区域气候的影响，然后利用区域环境系统集成模式riems模拟了地形变化对我国西部干旱区的气候的影响，证实了地形对西部干旱区气候的决定性作用，但这种地理特征具有不可改变性，我们只有求助于人为可改变的因素，比如植被状况改变。
The coordinated development of both the urban and rural areas in western china are faced with many difficulties , such as low urbanization , weak extension of the center , low industrialized agriculture , urban - rural discrepancy hum history , poor financial support , incomplete chain of industry , and underdeveloped county economy 摘要西部地区的城乡统筹存在许多困难，诸如城市化水平较低，中心极核的辐射作用乏力；乡村产业化程度较低，规模效益较差；城乡分割的历史积淀与惯性较强；财政支持乏力；尚未形成有效的产业链；县域经济欠发达；城乡分野的地理特征显著等。
