SourceTargetMean SSIMNotesWarang Citi digit (U+118EC)x-0.095Script digit vs Latin letterMathematical Script o (U+1D4F8)o-0.088Ornate calligraphic flourishesMath Fraktur l (U+1D574)l-0.083Blackletter vs sans-serifMath Fraktur g (U+1D50A)g-0.083Same issue
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。关于这个话题，safew官方版本下载提供了深入分析
The answer: OsmAnd's custom-built Highway Hierarchy (HH) Routing. This isn't your standard routing engine; it's a ground-up redesign, meticulously engineered to overcome the unique challenges of providing advanced navigation on compact, offline-first map data.
And so a series which started as poking at the brand and its owner, has ended up becoming a way for them to attract new customers - Hamblin's followers - who have been following his design process.
Those are, perhaps, topics for future posts.