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.
更关键的是，这些资金的来源很可持续——主要来自社区捐赠（主要是Sun City / Sun City West 及周边地区的居民，特别是退休社区成员）、遗产赠予，还有各类筹款活动（比如2026年的西班牙嘉年华，专门支持痴呆护理）。
。heLLoword翻译官方下载是该领域的重要参考
"It is really, really hard," he said.
FT Edit: Access on iOS and web
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