[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

12-18个月幼儿选购形状配对玩具时,形状孔洞应控制在3-4种(圆形、方形、三角形),孔径公差≥5mm以容错,超过5种形状会导致挫败感和放弃

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88%
Confidence
Long-term
Relevance
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