[KongchangAI]
Unverified82% confidenceCautionTime unknown

汉字认知卡不宜过早引入,2岁前重在图物匹配和口语积累;3岁前买大量识字卡多为家长焦虑,认知规律上应先动物/水果/日用品等具象名词,抽象的数字/形状/字母排后

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82%
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Long-term
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API
curl https://kongchang.com/api/v1/knowledge/claims/286373
MCP
get_claim(id=286373)