绘图员给这个地区画上交叉阴影线。
在计算机图形学中,用色彩或交叉阴影线等来充填某个显示区。
In computer graphics, to fill an area of display, e. g. with a colour, a cross hatched pattern, etc.
这产生了粗格线的交叉阴影效果,除非表面是被着成暗色的,在明亮的被着色表面上显示为细的格线。
This produces the cross hatching effect of thick grid lines where the surface would otherwise shade darkly, and thin grid lines where the surface would shade brightly.
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