Unverified90% confidenceDecision RuleTime unknown
长时间书写或考试选0.5mm子弹头笔尖，兼顾出墨顺滑与字迹清晰；追求纤细字迹做笔记选0.38mm，但0.38mm在粗糙纸面易划纸卡顿
1
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90%
Confidence
Long-term
Relevance
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First Seen
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Related Claims
Unverified书写笔记/日常使用选0.5mm，签字盖章/正式文件用0.7mm或1.0mm，做手账细描线选0.38mm，0.35mm以下笔尖易刮纸卡顿不适合快速书写88% similarUnverified笔尖越细（0.28-0.38mm）出墨越少、线条越硬，笔尖越粗（0.7-1.0mm）出墨顺滑但耗墨快且易透纸，薄纸手账不宜用0.5mm以上88% similarUnverified笔芯直径0.5mm适合日常书写和签名，0.38mm适合小字和表格填写，0.7mm适合快速书写和粗体标注；考试涂卡或长时间做笔记优先0.5mm平衡清晰度与流畅度84% similarUnverified0.5mm笔芯笔迹细腻但抗压性弱，适合书写工整的高年级学生；0.7mm更耐用抗断但笔迹偏粗，做数学演算大量书写时0.7mm更省心——两者难以兼得精细与耐用84% similarUnverified笔尖越细（0.38mm）出墨量越小越省墨且字迹纤细，但流畅度和抗划纸能力下降；笔尖越粗（0.7mm）越顺滑却易积墨飞白，粗细与流畅度需权衡83% similar
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