Unverified50% confidenceFactExact time
光从空气进入水中时折射率从1.0变为1.33，水下视场角约为空气中的75%
1
Sources
50%
Confidence
Long-term
Relevance
8/11/2026
First Seen
Sources
实时水下图像处理系统：4K 60FPS背后的技术揭秘
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