Representation of direction relations and the retrieve of such relations based on R-tree;
基于区间值及其运算性质给出了不确定区域间方向关系的表示及推理方法。
However, experts obtain little production about direction relations than topological relations research, and there is scarcely any application applying spatial direction relations into GIS software.
但是，专家们对方位关系的研究与拓扑关系相比成果要少的多，空间方位关系在GIS软件中的应用也寥寥无几。
The relations do not impose any direction of evaluation and can be executed in multiple directions, which can be useful when you're dealing with round-tripping issues.
关联没有指定评估的任何方向，它们可以在多个方向下执行，这在你处理双向问题时是很有用的。
Productivity and group relations are good. You feel somewhat unsure about your lack of direction of the group.
生产效率和团队内部的关系非常好。但是你对怎么指导团队的方向信心不足。
This article has briefly discussed the three types of enterprise system form and their respective structures, environmental relations and the basic direction of their evolution.
简述了企业系统形态的三大基本类型，并宏观地分析了各类形态的结构、环境关系和形态演化的基本方向。
There are implicit add ons such as viewed under a chemical aspect or considered under renewed physiological aspect and in that direction the formed relations are pretty ok.
现在有一些其他的研究方向，比如化学和改进后的生理学研究，在这些情况下，上一个问题不是困难。
The basic fuzzy relations among fuzzy external load, fuzzy internal force and fuzzy deflection are derived when thin, long and straight beams are bent in vertical direction.
导出了细长直梁横向弯曲时模糊外载、模糊内力和模糊挠度之间的基本模糊关系。
From the relations, it is concluded that pole-number selection of windings not only determines direction of electrical energy transfer for levitation force winding, but also does its excitation modes.
从中可以看出绕组极数选取方案决定悬浮力绕组的电能传递方向及它的励磁方式。
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；
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；
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