Taking typical sequences in Southwest China as research cases, we systematically study the structure characters of spatial activity of earthquake on different scales.
以我国西南地区松潘、黄龙、龙陵、盐源等典型地震序列为例，分析了不同尺度地震空间活动性异常的结构特征。
In the wind simulation of long-span spatial structure, both time and spatial correlation and local non-Gaussian characters should be considered.
大跨空间结构的风速模拟需要考虑风的时间和空间相关特性以及局部区域内风载的非高斯特性。
Based on the land style quality structure, quantity structure, spatial structure and land use structure, the land structure and its characters in the gully area of Loess Plateau were analyzed.
从土地类型数量结构、土地质量结构、土地空间结构和土地利用现状结构入手，对黄土高原沟壑区的土地结构及特征进行了分析。
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