Create new raster layer and place it on top of the other layers.
创建新的光栅层，并放置在其他层上面。
Layers of raster data are more often called bands, although the term layer still applies to raster as well as vector data.
光栅数据的层通常称为段，而术语层仍然用于光栅和矢量数据。
Make sure your active layer is' Raster 2 '.
确保你的有源层是'栅格2 '。
Based on the ideas of base state with amendments, the temporal layer of raster is designs by four relational tables, and the structure of tables is also given.
基于基态修正思想，设计栅格时态层由四张关系表组成，并设计其表结构。
Based on the ideas of base state with amendments, the temporal layer of raster is designs by four relational tables, and the structure of tables is also given.
基于基态修正思想，设计栅格时态层由四张关系表组成，并设计其表结构。
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