[KongchangAI]
Unverified50% confidenceFactExact time

美国由于联邦制下各州自主权较大,缺乏统一的全国性建筑抗震数据库

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/21/2026
First Seen
Valid until: 11/19/2026

Sources

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https://kongchang.com/claim/782459
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curl https://kongchang.com/api/v1/knowledge/claims/782459
MCP
get_claim(id=782459)