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- population spatial structures 人口空间结构
- Population spatial distribution characteristics and pattern of Liposcelis spp.were determined in a wheat bulk in a horizontal storage stored for3 years with GJ89 probe traps . 采用GJ89型粮虫陷阱检测器对房式仓小麦散装粮堆中书虱的分布进行了调查研究。
- This thesis presents a study of seismic isolation of long-span spatial structures using SMA-rubber composite bearing. 本文主要研究了SMA-橡胶复合支座在大跨空间结构中的隔震性能。
- Spatial structures of all kinds show an inspiration which usually endued with by the nature. 各类空间结构的出现往往都受到了自然界的启迪,自然界的创造能力常常要超越人类的设计和想象能力。
- DONG Shi-lin, YUAN Xing-fei. A quick calculation method for initial prestress distribution of Geiger domes [J]. Spatial Structures,2003, 9(2): 38,19. 董石麟，袁行飞．肋环型索穹顶初始预应力分布的快速计算法[J]．空间结构，2003，9（2）：3819.
- Tensioned fabric structures are one of the widely used large-span spatial structures, and they are very sensitive to wind-load. 摘要 张拉薄膜结构是一种应用十分广泛的大跨度空间结构，这类柔性结构对风荷载的作用十分敏感。
- The gross population of each province and city is predicted by gray theory and the population spatial distribution pattern is forecasted by employing spatial autocorrelation theory of GIS. 摘要运用灰色理论对我国各个省市未来人口总量进行预测，并应用GIS的空间自相关理论和方法对未来人口空间分布模式做出预测。
- Lastly, takeing inhabitant as instruction factor , the paper puts forward population spatial model, discusses the fingings application, and also validates the residents spatial distribution rule. 最后以居民地为指示因子,提出人口空间化模型(居民地-人口分配模型),对研究结果的应用作了探讨,对居民地空间分布规律进行了验证。
- Overlying strata spatial structures of longwall formed by working faces that is mined and four sides are substance coal are named "O" letter type spatial structures. 我们把一面采空(四周为实体煤)形成的采场覆岩空间结构称为“O”型空间结构。
- Zong H,Fan N C,Yu X F,Zhu J C.1991.The research on the population spatial patterns of the plateau zokor(Myospalax fontanierii)and the plateau pika(Ochotona curzoniae)in the alpine meadow ecosystem. 刘季科;梁杰荣;周兴民;李健华;1982.;高寒草甸生态系统定位站的啮齿动物群落与数量
- The initial deviations of the joint positions are the main initial geometrical imperfections that affect the stability behaviors of the long-span spatial structures. 节点位置偏差是影响大跨度空间结构整体稳定性的一个主要初始几何缺陷,但目前关于实际结构中节点位置缺陷的资料还很少。
- Wind load is one of the dominating loads which must be considered in the design of structures such as high-rise buildings, large-span spatial structures, towers and guyed masts. 对高层建筑、大跨空间结构、高耸塔桅结构等建筑物和构筑物而言,风荷载是结构设计的控制荷载之一。
- Spatial Structure of Allozyme Frequencies in Castanea mollissima Bl. 中国板栗居群间等位酶基因频率的空间分布。
- Lastly, it expounds the significance of the tourism spatial structure research. 最后简单论述了旅游空间结构的研究意义。
- The species composition, importance values of tree population, species diversity and spatial structure of evergreen broad leaved forest community in Bijia mountain of Longyan, Fujian, were analysed. 分析了福建省龙岩市笔架山常绿阔叶林群落的种类组成、乔木种群的重要值、物种多样性、水平结构和垂直结构特征。
- Human population spatial genetic structure 人类群体遗传空间结构
- Advocating the division of spatial structures, Hitom Ceramics applies itself to constructing residential aesthetics, deducting classics and creating an aesthetic standard for modern times. 空间解构主张。海棠陶瓷致力于以人居美学的高度构筑空间,演绎经典,塑造一个时代的美学标准。
- age-dependent population spatial diffusion system 年龄相关的种群空间扩散系统
- Calculation of grey-level co-occurrence matrices (GLCM) helps mathematically describe the distribution of pixel values within a subregion of data, and effectively quantify the spatial structures of seismic reflections. 通过计算灰度共生矩阵GL-CM,从数学上描述小范围数据区内像素值的分布,量化地震反射的空间组织结构。
- Wind load is one of main loads in design of civil engineering structures, such as, large-span spatial structures, long-span bridges, tall buildings and high-rise towers, and guyed masts. 摘要风荷载是大跨空间结构、高层和高耸结构、桅式结构、大跨度桥梁等土木工程结构的主要设计荷载之一。
