查询词典 spatial

Because of the spatial autocorrelation in the distributions of CHL-a, the ordinary linear regression model is invalid.

由于CHL—a分布的空间自相关性的存在，使得普通线性回归模型不再有效。

To represent the shape content of an image, the edge orientation autocorrelogram is used. To represent color features, local color cumulative histogram is computed, and to solve the problem of lacking the spatial knowledge of the histograms, we also extract the color moments of the partitions.

用边缘方向自相关图表示图像的形状内容；对于颜色特征，计算图像颜色的局部累加直方图，同时为了弥补其不包含颜色空间分布关系的缺点，又提取了分块的颜色矩，并利用高斯模型对各特征距离进行归一化，综合上述三个归一化距离，进行全局相似度量。

The experiment results of real SAR scenes show that the presented scheme has the characteristics of strong robustness, extensive practicability, high automatic on low computation and easy realization. Therefore, the presented scheme has the extensive prospect for spatial earth observation.

实测数据的实验结果证明了新方案具有稳健性强、适用性广、自动化程度高、计算量小、工程实现易等特点，说明了该方案对于空间对地观测具有广泛的应用前景。

Seamless GIS data production method of linear feature and areal feature is introduced primarily, the plan of annotation layout of seamless data is designed, and annotation data structure is set forward too.(5) Comprehensive functional structural diagram of seamless GIS is described, some processes and functions are introduced, these progresses and functions includes data display, graphic auxiliary operation, symbolization, query of spatial, geographical name query and structured query language, three-dimensional visualization display.

分析了无缝GIS数据生产的流程，从程序算法和交互建立图幅间要素的拼接关系两个方面阐述了无缝数据生产的方法，并主要介绍了线状要素和面状要素的无缝数据生产，设计了无缝数据注记配置的方案，给出了注记数据的结构。

The two interpolation methods were evaluated for the suitability of estimating the spatial distribution of soil Zn by using an auxiliary variable.

并对这两种利用辅助变量的克里格方法在土壤锌空间分布研究中的适用性进行评价。

In light of different sources of data, three groups of affecting factors, that is, 1 mean annual air temperature; 2 longitude, latitude and elevation; and 3 mean annual air temperature, longitude, latitude and elevation; were designed as auxiliary variable, and the regression kriging method was adopted to predict the spatial patterns of mean annual soil temperatures across the country.

本文用我国698个气象站点的年均土壤温度和年均气温数据以及数字高程模型数据，分析不同气象和地形因素对年均土壤温度的影响；根据全国各地可获取数据源的不同，分别用3组不同的影响因素为辅助变量：(1)年均气温；(2)经度、纬度和海拔；(3)年均气温、经度、纬度和海拔，采用回归克里格法预测我国年均土壤温度空间分布。

Therefore how to manage and utilize the city spatial data availably is the key issue in city information service.

本文在分析城市空间形态的基础上，主要研究地理网格及其在城市信息服务中的应用，采用地理网格划分思想以及编码技术来组织和管理城市空间信息。

China, zoogeographical subregion, avifauna, geographical distribution pattern,temporal and spatial variation

中文关键字：中国，动物地理亚区，鸟类，地理分布格局，时空变化

This paper describes the basic principle of velocity pursuit guidance law and body pursuit guidance law of trajectory correction projectiles , researches the terminal correction trajectory and miss distance under pursuit guidance laws by 6—DOF trajectory simulation program, researches the orbit of laser detector ray axis and ground projection area of laser detector spatial viewpoint.

文中对速度追踪制导律和弹体追踪制导律的工作原理进行了研究，利用六自由度弹道仿真程序对弹道修正弹两种追踪方式下的末段修正弹道和脱靶量进行了对比计算，研究了两种追踪方式下激光探测器光轴的轨迹及激光探测器空间视场在地面投影区域的变化；弹体追踪方式命中精度虽然较低，但由于工程实现简单、成本低，仍有其工程使用价值。

Therefore, with variations of spatial orientation of the symmetry axis and the surveying line azimuth, patterns of body_wave velocity show variety, and have some symmetries, gradual changes and repetitions.

因此，随着TI对称轴取向的空间变化和测线方位的变化，体波速度图案呈现多样性变化，并具有一定的对称性、渐变和重复性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。