The optimal layout problem of circle group in a circular container with performance constraints of equilibrium belong to NPhard problem.
带平衡性约束的圆集在圆容器内的布局优化问题，属于NP困难问题。
The growth-level model, point-axis model, circle-layer model are the fundamental models for the spatial layout of regional tourism layout.
增长级布局模式、点轴布局模式、圈层布局模式是区域旅游业空间布局的基本模式。
Leisure physical activity is the main activity in daily life circle. 3 the layout model of sport facility function in city life circle.
城市生活圈体育设施功能形态布局模式：日常生活圈模式以社区为范围，以健身为主要功能。
For the construction of the "southwest cloud is big" economic circle, the layout segment has been valuing infrastructure construction.
对于“西南云大”经济圈的建设，规划部门一直重视基础设施建设。
For the construction of the "southwest cloud is big" economic circle, the layout segment has been valuing infrastructure construction.
对于“西南云大”经济圈的建设，规划部门一直重视基础设施建设。
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