Unverified85% confidenceTradeoffTime unknown
笔芯直径越细书写越清晰但越易断墨和刮纸，0.38mm在廉价笔上断墨风险显著高于0.5mm，预算有限时选0.5mm更稳妥
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified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89% 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87% 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83% similarUnverified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82% similarUnverified便利贴克重达到70g/㎡以上纸张不易透墨，适合钢笔、马克笔书写；低于60g/㎡的廉价款用记号笔会渗透背面弄脏下层81% similar
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