[KongchangAI]
Unverified50% confidenceFactExact time

尼尔森传统收视率调查依赖美国全国约4万户抽样家庭样本,而ACR可覆盖数千万台联网电视

1
Sources
50%
Confidence
Long-term
Relevance
7/10/2026
First Seen

Sources

Related Claims

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API
curl https://kongchang.com/api/v1/knowledge/claims/456835
MCP
get_claim(id=456835)