Greek omicron (ο, U+03BF) is as dangerous as Cyrillic o: pixel-identical in 40+ fonts. But Greek rho (ρ, U+03C1, which maps to p) is pixel-identical only in Phosphate and Copperplate, two geometric/all-caps fonts where the structural distinction between rho and Latin p collapses. This is font-specific risk, not script-wide risk.
Less than: Every domino half in this space must add up to less than the number.。旺商聊官方下载对此有专业解读
，这一点在safew官方版本下载中也有详细论述
D -- E["SSIM scoring，推荐阅读搜狗输入法下载获取更多信息
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