渐晕特效例子。注意屏幕的边角区域是如何变暗、模糊和颜色分离的。
Example of Vignetting. Notice how the screen corners get darker and more blurred and also show color separation.
边缘偏差，边角偏倚在评估作物时，把要测算的正方形区域边缘上的一株植物包括在内而不是排除在外，导致估计过高的偏差。
Edge bias in crop evaluations, inclusion of a plant on the edge of the square delineating the area to be measured, rather than excluding it, leading to an upward bias.
边缘偏差，边角偏倚在评估作物时，把要测算的正方形区域边缘上的一株植物包括在内而不是排除在外，导致估计过高的偏差。
Edge bias in crop evaluations, inclusion of a plant on the edge of the square delineating the area to be measured, rather than excluding it, leading to an upward bias.
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