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
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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