You can add edge enhancement or smoothness to a Jpeg, or vary the colour depth.
你可以对格式的图像进行锐化或钝化，或改变颜色的深浅。
Colour: Especially when drought limits crimson red edge color gemstones.
颜色：深红色泛着宝石红的边缘色彩。
Transitioned and graded colour is applied to the side of the petal ribs, creating a deep hue only at the edge of the structure.
花瓣的钢筋结构采用了渐变颜色，只在边缘呈现出深色调。
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