[KongchangAI]
Unverified50% confidenceFactExact time

GIS图层概念起源于20世纪60年代的叠图分析法,由景观规划师Ian McHarg系统化提出

1
Sources
50%
Confidence
Long-term
Relevance
7/6/2026
First Seen

Sources

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Stable URI
https://kongchang.com/claim/114944
API
curl https://kongchang.com/api/v1/knowledge/claims/114944
MCP
get_claim(id=114944)