The prestressed concrete structure can meet the building interior of large space use demand, have increase indoor headroom, saving cost and improve the economic benefit and so on.
预应力混凝土结构可满足建筑内部大空间的使用需求，具有增加室内净空、节约成本、提高经济效益等优势。
The environmental and economic factors affecting the space component and the time coefficient are sieved by stepwise regression, and factor structure models are established.
用逐步回归方法筛选影响空间分量和时间系数的环境和经济因子，组建因子结构模型。
The regional dual spatial structure being the surface layer structure is mapping of the regional dual economic structure and the regional dual social and cultural structure on the space;
区域二元空间结构属表层结构，是区域二元经济和社会文化结构在空间上的映射；
The utility model is characterized by compact structure, small mass, convenient installation and maintenance, pleasant appearance, economic service space and no sheltering from sight.
结构紧凑，重量轻，安装维护方便，还具有外观整洁美观，占空间少，不遮挡视线的特点。
Based on the hauling-space theory, macroscopic economic space of China should be planned for five spatial structure systems and industrial ar...
依据牵引空间理论，中国的宏观经济空间应当规划为五大空间结构体系，未来的产业布局应当以此战略为指导进行优化。
Based on the hauling-space theory, macroscopic economic space of China should be planned for five spatial structure systems and industrial ar...
依据牵引空间理论，中国的宏观经济空间应当规划为五大空间结构体系，未来的产业布局应当以此战略为指导进行优化。
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