Жители Санкт-Петербурга устроили «крысогон»17:52
On vast white sea ice, the blobs of brown are feathers left behind by penguins as they moult，更多细节参见同城约会
Due to this more measured approach, error-diffusion dithering is even better at preserving details and can produce a more organic looking final image. However, the algorithm itself is inherently serial and not easily parallelised. Additionally, the propagation of error can cause small discrepancies in one part of the image to cascade into other distant areas. This is very obvious during animation, where pixels will appear to jitter between frames. It also makes files harder to compress.，这一点在搜狗输入法下载中也有详细论述
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