查询词典 spatial change

2The static behavior of one prestressed spatial truss string structure is analyzed systematically in this paper. The change of the structural internal forces and displacements with the rise-to-span ratio, sag ratio, prestress and the number of brace struts is studied and the influence of these parameters on the mechanical behavior is discussed compressively in detail.

2对一张弦立体桁架结构的静力性能做了系统分析，研究了结构的内力和位移在矢跨比、垂跨比、预应力和撑杆数不同参数下的变化情况，全面详细的探讨了结构的主要参数对结构静力性能的影响。

Using the spatial point-pattern analysis of Ripley's function, the result indicated that Halostachys caspica population of Ass.halocnemum strobilaceum-H.caspica community on the northwest edge of Junggar Basin shown congregative pattern in 0~50m scale.But Halocnemum strobilaceum population shown congregative pattern in the same scale or the less scale. And there was a positive, no relation and negative relation change series in space between Halostachys caspica and Halocnemum strobilaceum.

采用空间点格局分析方法Ripley，s K函数分析表明，准噶尔盆地西北缘盐穗木-盐节木群落的盐穗木种群在所研究的尺度(0～50m)上呈聚集分布，盐节木种群呈现聚集分布的尺度等于或小于盐穗木种群；盐穗木与盐节木的种间关系在空间上呈正相关、不相关和负相关变化序列。

While in Ass.haloxy persicum-H.ammodendron communities, either Haloxylon ammodendron population or Haloxylon persicum population, the spatial pattern was also congregative in 0~50m scales.While sometimes there was a transition from congregative pattern to regular pattern between them. There was a negative or positive, no relation and negative relation change series between Haloxylon ammodendron and Haloxylon persicum. In Ass.

梭梭-白梭梭群落的梭梭种群和白梭梭种群的空间格局比较复杂，但在所研究的尺度(0～50m)上，种群空间格局呈聚集分布或由聚集分布向均匀分布转变；梭梭与白梭梭的种间关系在空间上呈负相关或正相关、不相关和负相关变化序列。

Land use type is the outcome of duple influence of nature and human activity, which possessing scrambling, relative instability and complexity, and it can be discussed by fractal theory. Application of fractal theory in land use structure involve in the calculation of fractal dimension of land use type, research method and fractal description of change of land use structure, fractal model of region landscape and so on, but fractal mechanism of spatial diversity of land use type is rarely reported.

土地利用类型是一种在自然和人类活动双重作用下的产物，具有不规则、相对不稳定性和复杂性特征，可以利用分形方法进行探讨；分形理论在土地结构研究中的应用涉及土地利用类型分数维的计算、土地利用结构分形研究方法、土地利用结构及其动态变化的分形描述、区域景观结构的分形模型等方面；但土地利用类型的分形机制的空间差异研究少见报道。

In the horizontal direction, the salt crust granulometric composition by the thin change into thickening. It is obvious that has level deposition differentiation characteristic, but from the surface layer to the lower level, the sand grains of salt crust content size are more thicker than powder grains or slabby grains, which displays from thick to thin vertical and spatial distribution rule.

在水平方向上，盐壳颗粒组成由细变粗，具有明显水平沉积分异特点，而从表层至下层盐壳颗粒含量大小为砂粒﹥粉粒﹥粘粒，表现为由粗到细的垂直空间分布规律。

Land cover of Shanxi Province had been monitored from 1980s to 2005.Based on remote sensing and GIS technique, analysis on spatial\|temporal characteristics of land cover change and driving factors was implemented.Results show that:(1)Changing area: Area of industrial and transportation land、rural settlement and a spot of grass land is increasing, on the other side, area of dry land, irrigable land, a spot forest land and bottom land etc is decreasing.

以遥感与GIS为技术支撑，对山西省20世纪80年代到2005年的土地覆盖进行了动态监测，并分析了土地覆盖的变化特征及其驱动因子；监测表明，山西省土地覆盖时空变化特征：(1)变化数量：城镇建设用地和农村聚落面积增加显著，草地有所增加；旱地和水浇地减少明显，森林和河湖滩地略有减少。

Most species' populations were decline in last fifty years, especially since the last 1980's, the populations such as Alpine Musk Deer, Przewalski's Gazelle and Red Deer etc. declined dramatically;(5) Desertification and grassland degredation are obviously affected by climate change on macrographic scale, anthropogenic activities is an important driving role for desertification, herbing, land-development and urbanization have majority impact to biodiversity spatial pattern and its loss.

祁连山区动物资源组成成分复杂，总体上缺乏自身特有的种类，哺乳动物区系特点不很突出，既包含了东部黄土高原和东南湿润地区的兽类成分，又不乏青藏高原特有种类，同时还与新疆的动物区系有一定的联系，近50年来尤其自上个世纪80年代以来，多数种类的种群数量呈下降趋势，其中以马麝、普氏原羚、马鹿等物种的数量下降的最为显著；（5）土地沙漠化和草地退化在宏观尺度上受气候因素影响较大，人类活动对荒漠化的加速发展起着重要的驱动作用，尤其是放牧、土地开发和城镇化建设对生物多样性资源减少以及空间分布格局影响较大。

The results indicated: With the elongation of the flooding durations,there were some differences in the spatial dynamic change on Phragmites communis population characters and the characteristics were mostly influenced by the environment.

结果表明：随着水淹持续时间的延长，芦苇种群各特征的空间动态变化各不相同，受环境影响较大。

This paper, based on the land utilization change data during 1997 to 2005, applies the information entropy and equilibrium theory to study the temporal-spatial changes in land utilization structure in Lingshui county, with results indicating: a first slow and then a fast rise in information entropy of land utilization structure in Lingshui county and a general trend of rising homogeneity in land utilization structure; the information entropy of land utilization structure ascends from NW to SE, where can be divided into five regions, ecological protected area, resort area, farmland protected area, ecological agricultural construction area and comprehensive industrial developing area; the economic factors and populational structure play a key part in land utilization structure changes via principle componential analysis.

基于陵水县1997-2005年土地利用变更数据，利用信息熵和均衡度的基本原理，对陵水县土地利用结构的时空变化进行实证分析。结果表明：1陵水县1997-2005年土地利用结构信息熵和均衡度呈现先缓慢增长、再加速增长的变化过程，总趋势是土地利用结构的均质性逐渐增强；2）陵水县土地利用结构信息熵从西北向东南逐渐递增，依次可分为生态保育区、风景旅游区，基本农田保护区、生态农业建设区和综合产业发展区5个区域；3）利用主成分分析，经济因素和人口结构对陵水县土地利用结构变化影响重大。

The model of brain concussion of rat can be established successfully using iron pendulum hitting device; 2. The spatial learning and memory deficits of the rats are detected by MWM in early period post-BC(from 1 to 3 days after BC); 3. Pycnosis degeneration or necrosis neurons of the cerebral cortex, dorsal hippocampus, dentate fornix and brainstem reticular formation are identified in BC rats; 4. There are significantly changes in the number and activity of cholinergic neurons in the basal forebrain and brainstem reticular formation after BC; 5. The change of cerebral neurons and cholinergic neurons correlate with cognitive deficits in BC rats .

1、单摆式闭合性机械打击装置能成功建立脑震荡大鼠模型；2、脑震荡大鼠在MWM实验中出现早期空间认知行为障碍；3、脑震荡大鼠大脑皮质、背侧海马、齿状回和脑干网状结构出现程度不等的部分神经元固缩变性和不完全性坏死；4、脑震荡大鼠基底前脑、脑干网状结构ChAT活性表达有明显变化；5、脑震荡大鼠认知障碍与相关脑区神经元、胆碱能神经元的变化有关联。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。