The library gives programmers a common data model covering all raster data formats and -- through OGR -- vector data formats.
该库为编程人员提供了通用的数据模型，包括所有栅格数据格式和矢量数据格式（通过OGR）。
In the raster data model, the map's accuracy also depends on the map's scale.
在栅格数据模型中，地图的准确性还依赖于地图的比例。
An index model of soil erosion estimation was put forward based on raster data after analyzing the main influence factors in Weifenhe watershed.
在分析土壤侵蚀形成的主要影响因子基础上，提出了基于栅格数据的流域土壤侵蚀量估算的指标模型。
In general SASA model involves two parts: raster analysis for assumed earthquake and raster analysis for site condition.
该模型包括两个部分：设定地震栅格分析模型和场地条件栅格分析模型。
Based on common raster display, some key techniques for the software simulation method, such as afterglow model and meta-graph switch model, are discussed in detail.
以普通光栅显示器为基础，研究了余辉模型、图形元变换模型等软模拟的关键实现技术。
The features of SERS was studied by taking nanometer grade silver tract rectangular raster as a model.
以纳米量级金履带矩形光栅为模型，研究了表面增强拉曼散射的特性。
As raster grid networks of digital elevation model in GIS can be used as the finite difference mesh, the continuity and momentum equations are solved numerically using the finite difference method.
由于GIS中的栅格网络数据可以直接作为有限差分的网格，二维数值模型可用有限差分来求解。
The utility model relates to a tunable optical fiber raster shuttering, which can be used in optical fiber communication.
本实用新型涉及一种可调谐光纤光栅模板，可用于光纤通信中。
The utility model relates to a tunable optical fiber raster shuttering, which can be used in optical fiber communication.
本实用新型涉及一种可调谐光纤光栅模板，可用于光纤通信中。
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