Current models for cardinal directions often use quite crude approximations in the form of objects’ abstract generalization points or their minimum bounding rectangles. A method to hierarchical describe directions is proposed in order to describe cardinal directions more accurately.
方向关系是一类重要的空间关系 ,用以确定目标的方位 ,以往的方向关系描述模型通常将空间目标作为一个抽象点 ,或者用目标的最小外接矩形表示目标 ,这两种方法都存在明显不足。
参考来源 - 空间目标方向关系的定性扩展描述·2,447,543篇论文数据，部分数据来源于NoteExpress
The cardinal directions matched exactly in the two tellings.
主方向与两段叙述完全吻合。
When it comes to direction or orientation, they speak strictly in cardinal directions.
在说方向或位置时，他们从来都精确地描述基本方向。
Men use cardinal directions – the use of north, south, east and west - during navigation to a greater degree.
男性在找路时，很大程度上使用基本方位，比如东南西北。
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