... 像等角点 isocenter of photograph 像底点photo nadir point 像地平线，*合线 horizon trace ...
2
?天平点
... 像片镶嵌图 photo mosaic 光电放大器 photo multiplier 像底点，天平点photo nadir point ...
3
?象底点
... 象主点principal point of photograph 象底点photo nadir point 地底点ground nadir point ...
双语例句
1
According to the theory of vanishing point, a novel approach to calibrate the boresight misalignment of airborne position and orientation system (pos) based on photonadirpoint is proposed.