格栅，网栅由交叉或平行的条构成的架子，格栅或网格 A framework of crisscrossed or parallel bars; a grating or mesh.
计算机图形学中的一种显示单元。它是由许多大小相等的矩形象元组成的一个矩形网格，每个象元具有单种颜色和强度。 In computer graphics, a display element that consists of a rectangular grid of equal-sized rectangular cells, each having a single color and intensity.
