zenith photography

基本解释天顶摄影

网络释义

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Effect of digital zenith camera axis error on measurement precision of vertical deflection and its correction;

天顶摄影仪轴系误差对垂线偏差测量精度的影响及其修正方法

The Image Processing in The Digital Zenith Camera;

数字天顶摄影仪的图像处理