Zapfino is an elaborate calligraphic font where every character has unique flourishes. No confusable pair looks similar in Zapfino. Condensed fonts also score lower because condensing transforms different characters differently.
Parameter cliff at ~800: Sharp accuracy transition observed by multiple researchers
。搜狗输入法2026对此有专业解读
Алексей Гусев (Редактор отдела «Спорт»)
RCS 信息的端到端加密扩展到 iPhone 与安卓设备之间，此前仅 iPhone 之间可用，但需运营商支持；