本文针对地理学科的知识结构特征，从教法上阐述了在地理教学中培养学生空间观念的尝试。
This paper presents some teaching methods applied to develop the students' space concept based on the knowledge structure characteristics of geography.
实验表明，这种本体的形式化表达机制是可行的，能够有效地表达地理本体的空间特征。
The tests prove that the formal representation mechanism is feasible and can describe spatial properties of geographic ontology effectively.
空间分析是地理信息系统的一个重要特征，空间网络分析是空间分析的重要组成部分。
Spatial analysis is an important character of Geography Information System (GIS). Spatial network analysis is a prominent part of spatial analysis.
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