sighting distance
[测绘学英汉词典]
sighting distance视距
用调焦望远镜观察时在分划面上成清晰像的物体与仪器转轴中心的距离。
是什么意思,sighting distance的解释,sighting distance的翻译
[电信英汉词典] sighting distance
sighting distance
[测绘学英汉词典]
sighting distance是什么意思,sighting distance的解释,sighting distance的翻译
[电信英汉词典] sighting distance