人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
这套组合拳下来就很凶，华强北的成本结构（ 价格能打 ），外贸起家的供货和品控（ 质量不 差），包邮退的承诺（ 兜底 ）。。关于这个话题，旺商聊官方下载提供了深入分析
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Dithering in its simplest form can be understood by observing what happens when we quantise an image with and without modifying the source by random perturbation. In the examples below, a gradient of 256 grey levels is quantised to just black and white. Note how the dithered gradient is able to simulate a smooth transition from start to end.