Unverified82% confidenceDecision RuleTime unknown
低年级练字期(7-9岁)优先选行距≥12mm的横线本或带四线三格的本子,行距过窄(<10mm)会导致字迹拥挤,不利于书写规范养成
1
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82%
Confidence
Long-term
Relevance
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