Grid - based method : change the objects into the cell with limited number and construct a grid structure 基于网格的方法：把对象空间量化为有限数目的单元，形成了一个网格结构。
This paper discusses the development of space - grid structure computer aided design program on the personal computers 本文叙述在微机上开发研制的空间网格结构计算机辅助设计系统。
Random seismic response analysis of long - span spatial lattice structure under three - dimensional and multi - support earthquake excitations 大跨度空间网格结构多维多点随机地震反应分析
The staple two forms of space grid structures construction item site organization are discussed : straight line system and line function system 论述了网格结构施工项目现场组织常用的两种形式：直线制和直线职能制。
Furthermore , the thesis introduces the design of the members and joints in space grid structure , and gives the flowcharts of program 本文还介绍了空间网格结构的杆件和节点的设计，并给出了杆件、节点设计的计算流程框图。
The wind - excited vibration of the cable - stayed spatial latticed structure was analyzed by the method of dynamic time - history , and effects of parameters were discussed 计算结果表明，与无拉索的网格结构相比，斜拉网格结构的脉动响应较小。
The thesis also studies the rule of space grid structure ' s internal force under the effect of earthquake by the mode - superposition in response spectrum 通过采用振型分解反应谱法求解结构的地震反应，研究了空间网格结构在地震作用下的内力分布规律。
And the thesis investigates the optimum design of space grid structure by means of modified full stress method , and it is obvious that it can get good effect 本文还研究了空间网格结构的优化设计问题，通过采用修改后的满应力法对结构进行优化设计，取得了较好的效果。
The main research work is to make use of concept lattice structure to solve the problem of mining association rules , classification rules , and functional dependencies from data 研究工作的重点是使用概念格结构模型对关联规则、分类规则和函数依赖的发现问题进行求解。
Space grid structures consist of latticed frame and reticulated shell , latticed frame and reticulated shell have many structural form , those forms will be developed and innovated continuously 空间网格结构包括网架和网壳。网架和网壳结构的种类较多，且不断发展创新。
