Unverified80% confidenceDecision RuleTime unknown
延迟表现关注端到端延迟：Apple Pencil 2/Pro约9ms，第三方USI/MPP笔多在15-30ms。绘画对延迟敏感建议选≤12ms，普通书写≤30ms无明显拖影感
1
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80%
Confidence
Medium-term (~90 days)
Relevance
-
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Unverified若手写笔响应延迟超过20ms会明显影响流畅体验，Apple Pencil 2/Pro配合ProMotion 120Hz屏幕的iPad Pro/Air延迟最低（约9ms）；预算有限用普通60Hz屏时软件优化差异更被放大83% similarUnverified书写延迟看官方标称的同时要看实测，采用Wacom电磁笔+高刷新算法的机型延迟约20-30ms接近纸感；标称'低延迟'但无具体数值的多在50ms以上，长时间记笔记会有拖尾感79% similarUnverified人眼能感知到的书写延迟阈值约为50ms，而顶级电子纸设备已将延迟压缩至20ms以下78% similarUnverified书写延迟应≤30ms才有接近真实笔感，40ms以上会明显感觉笔画拖尾；教学与头脑风暴高频书写场景优先选延迟≤25ms的红外或电磁触控机型77% similarUnverified书写延迟低于25ms才能获得接近真纸的书写体验，选购时优先确认标称延迟≤25ms；超过40ms会有明显跟手迟滞感77% similar
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