Unverified50% confidenceFactExact time
芬兰国家土地测量局的LIDAR数据集覆盖芬兰全境，点密度约为0.5点/平方米，高程精度约±15cm，以开放许可证免费提供
1
Sources
50%
Confidence
Long-term
Relevance
7/19/2026
First Seen
Sources
Related Claims
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