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.
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，更多细节参见搜狗输入法下载
Жители Санкт-Петербурга устроили «крысогон»17:52
（四）怀孕或者哺乳自己不满一周岁婴儿的。
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