Social management is gradually improving and thus social stability is well maintained.

社会管理不断改进，社会大局保持稳定。

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These scales represent the process of successive simplification of an image. This means spatial details such as texture and noise are gradually removed, while major edges are maintained.

这些连续的级代表了图像逐渐简化的过程，即更多的细节例如纹理和噪声被逐渐移除，同时主要边缘得以保留。

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