There was no direct relationship between genetic differences from breeds and geographical distances.
品种间的遗传差异与地理距离之间无直接相关关系。
2
Spatial adjacency is a fundamental type of topological relations, a relationship crucial for discovering rules of geographical changes and distributions.
空间邻接是一种基本的空间拓扑关系，它对研究地理现象的分布规律和演化过程有着重要的意义。
3
Human-environment relationship is referred to the relationship between the human society and the geographical environment in geography, is the core of geography research.