In fact, he is pointing at a cardinal direction that happens to be behind his back.
事实上，他所指的是一个恰好在他身后的主方向而已。
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。
CAUTION: The following methods are NOT highly accurate and give only general cardinal direction.
注意：以下的方位判定方法只能指示大体方位，不能保证结果的精确性。
We tested each person in two separate sittings, each time facing in a different cardinal direction.
我们用两种不同的坐姿对每个人进行测试，每次面对不同的基本方向。
Consistency checking of cardinal direction constraints is one of the essential issues in qualitative spatial reasoning.
基本方向约束的一致性判定是定性空间推理中的基本问题之一。
The translating algorithm which converts the RCC8, cardinal direction and size relations into extended rectangle relations is given.
给出RCC8、主方位及尺寸关系转换成扩展矩形关系的转换算法；
This type of direction giving is characterised by references to cardinal directions (North, South, East and West) and precise distances.
这一类型的指路方式是通过参考主要的方向(北，南，东和西)和准确的距离来确定的。
Research on spatial relation representation mainly includes spatial topological relation, spatial cardinal direction relation and spatial distance relation.
对空间关系表示的研究主要包括空间拓扑关系、空间方向关系、空间距离关系三大类空间关系表示的研究。
Consider modifying the code to support each cardinal direction of rotation, add satellite imagery rotation, or expand the acceptable URL strings to support other mapping applications.
您可以修改这些代码，使它能够支持所有主要旋转方向，添加卫星图，或扩展可接受的UR l字符串以支持其他地图应用程序。
With 20 center controllers and 20 college students as subjects, this research explored the training effect and direction effect on two types of spatially cardinal direction judgement tasks.
以20名区域管制员和2 0名大学生为被试，通过两种类型的空间主方位判断任务考察训练效应和方位效应。
With 20 center controllers and 20 college students as subjects, this research explored the training effect and direction effect on two types of spatially cardinal direction judgement tasks.
以20名区域管制员和2 0名大学生为被试，通过两种类型的空间主方位判断任务考察训练效应和方位效应。
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