[KongchangAI]
Unverified85% confidenceFactTime unknown

新生儿最佳聚焦距离为20-30cm,这也是母乳喂养时宝宝眼睛到母亲面部的距离,视觉卡片悬挂或展示应参照此距离

1
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85%
Confidence
Long-term
Relevance
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