[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

水平匀速直线运动的追踪玩具优于随机跳动型,1-3月龄婴儿只能追踪水平方向缓慢移动物体,垂直和圆周追踪能力要到4-6月龄才发育

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85%
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Long-term
Relevance
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