aliasing

詳細解釋：

a.li.as.ing

n.（名詞）
The appearance of jagged distortions in curves and diagonal lines in computer graphics because the resolution is limited or diminished.
圖形失真，鋸齒效應：解析度限制或解析度降低造成計算機圖形中的曲線和斜線出現參差不齊的失真現象
The static distortion in digital sound caused by a low sampling rate.
聲音失真：由低採樣率引起的數字聲音靜態失真