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.
张弛从“谁规划营建了凌家滩”的追问出发，循着聚落格局、祭坛墓葬分布等多方材料，一步步揭示了5500多年前凌家滩先民惊人的城市规划意识和超大规模的社会动员能力。
。Line官方版本下载是该领域的重要参考
Pokémon celebrates its 30th anniversary today, and as you’d expect, Nintendo and The Pokémon Company are cranking up the nostalgia in every possible way. In addition to re-releasing the Game Boy Advance remakes of Pokémon Red and Blue on Nintendo Switch Online, they’re also selling us a Game Boy-shaped portable Pokémon jukebox.
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