Since rules inferring is faster than geometry computation and requires little time, the rules are of help to improve efficiency of querying spatial data.
由于规则推理比几何计算速度快、内存消耗小，因此推理能够提高基于空间关系的空间数据查询的速度和效率。
Using the circular arc Swedish method in tailing pond dam body stability analysis, the paper establishes the computation geometry model, calculates the dam body safety coefficient.
运用圆弧条分法对尾矿库坝体稳定性进行了分析，建立了计算几何模型，计算出坝体安全性系数。
Using this computational format the transformation frame multiple-dimensional problem with complex geometry shape into one-dimensional problem is realized, so that computation precision is increased.
在该计算格式中，实现了几何形状复杂的多维问题向一维问题的转换，从而提高了有限元离散节点的计算精度。
The molecular geometry and the fundamental vibrational frequency are insensitive to the computation conditions, while the total energy and bond energy are pretty sensitive.
分子几何构型和振动基频对计算条件不太敏感，总能量和键能对计算结果较敏感。
The computation of the various dimensions of fractal sets is very important in fractal geometry research.
分形集的各种维数的计算一直是分形几何研究的重点。
Spatial databases are being applied widely in many applications such as GIS, CAD, Robot, Computation, Geometry, Computer Vision, Physic Image and Multimedia System etc.
空间数据库已广泛地应用于GIS,CAD、机器人、计算几何、计算机视觉、医学图像和多媒体系统等领域。
Combining the computation of velocity field and sediment transportation with the adjusting technique of river geometry, a quasi_3D dynamic model for fluvial processes have been proposed.
结合这些流场与泥沙计算方法及河床形态调整技术，作者提出一个准三维河流动力学模型。
Although the wave field based pre-stack depth migration is the most reliable method for complex structure imaging, it has a high computation cost and a poor adaptation to geometry.
基于波场延拓的叠前深度偏移是实现复杂构造地质体成像的可靠方法，但存在着计算量大、对观测系统适应性差等缺点。
Although the wave field based pre-stack depth migration is the most reliable method for complex structure imaging, it has a high computation cost and a poor adaptation to geometry.
基于波场延拓的叠前深度偏移是实现复杂构造地质体成像的可靠方法，但存在着计算量大、对观测系统适应性差等缺点。
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