[KongchangAI]
Unverified80% confidenceSolutionTime unknown

为孩子建立健康早教工具组合的标准路径:0-2岁以实物玩具+音频故事机为主,2-4岁引入无屏/投影式情景互动,4-7岁再考虑带屏情景模拟机并搭配严格时长管理,避免单一设备覆盖全年龄段

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