Unverified50% confidenceFactExact time
全球通用的WGS84对应EPSG:4326，Web Mercator对应EPSG:3857，中国国家大地坐标系CGCS2000对应EPSG:4490
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
Geosql: A Vertical Skill Pack That Teaches AI Geospatial Data Analysis
hackernewshackernews7/8/2026
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