Unverified50% confidenceFactExact time
EPSG坐标参考系统数据库收录了超过6000种坐标参考系统，每种CRS以一个唯一整数ID标识
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
Related Claims
UnverifiedEPSG数据库收录了超过6000种坐标参考系统，WGS84对应EPSG:4326，Web Mercator对应EPSG:3857，中国CGCS2000对应EPSG:449078% similarUnverifiedAStockData contains a total of six data modules, of which the disclosed ones include the market data layer, the research report layer, and the signal layer.55% similarUnverifiedThe DataSF platform currently publishes more than 800 datasets, covering areas such as budget, crime statistics, building permits, and public health.54% similarUnverifiedSRA (Sequence Read Archive) is the world's largest public repository for sequencing data maintained by NCBI, and as of 2024 has stored more than 50 PB of sequencing data.53% similarUnverifiedFAISS, open-sourced by Meta, provides a variety of index structures suitable for large-scale offline batch processing scenarios; ScaNN, researched by Google, balances retrieval accuracy and memory usage through anisotropic quantization.52% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/369829API
curl https://kongchang.com/api/v1/knowledge/claims/369829MCP
get_claim(id=369829)