形状甚至比线更加抽象，因为它们实际上只是由感知的边构成的更高层级结构而已。
Shapes are even more abstract than lines, because they're really just higher level constructs formed by perceived edges.
线鳍电鳗（Sternopygus macrurus）是种使用电场感知周边环境的鱼类，在休息的时候会减弱信号以节约能量。
Fish that use electric fields to sense their environments dim their signals to save energy during the day when they are resting.
通过格式塔(人们的先天视觉感知规则)可知，另外还有15个视觉元素也被一同加到布局中：中线、每个有背景的方块，每个水平线。
Through gestalt (our innate rules of visual perception), an additional 15 visual elements are added to the layout: the centerline, each background box, and each horizontal line.
应用推荐