The basic content of land structure includes land types spatial associating forms and relations of quantity proportions.
土地结构的基本内容包括土地类型的空间排列组合形式及数量比例关系。
Spatial directional relation is one of the basic spatial constraints which represent geometric distribution relations of spatial objects.
空间方向关系是一类描述空间目标间位置分布的基本空间约束。
In this paper, the basic problems of natural-language spatial relations are described, and then Chinese spatial terms and syntactic patterns are discussed in detail.
本文首先阐述了自然语言空间关系研究的几个基本问题，然后详细讨论了汉语中描述各种空间关系的空间词汇及其句法模式。
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