[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

8岁以下儿童优先选表盘直径40-50mm、刻度只标注N/E/S/W四方位或每30度的简化盘面;专业测量用的每2度密刻度盘对儿童过于复杂,反而降低使用意愿

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Long-term
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