英语词汇“photographic zenith tube, PZT”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	photographic zenith tube, PZT
释义	photographic zenith tube, PZT 照相天顶筒；通过对天顶附近恒星照相；以测定世界时和纬度的仪器。
随便看	fall of channel Fall of Constantinople fall of current fall-of current fall of droplets fall of droplets, visible fall of level Fall of Liberty fall of lubricant pressure fall of man Fall of Man Fall of Nineveh fall of person fall of pipe fallofpotential fall of potential fall-of-potential fall of potentialdrop of potential falloff fall off fall of potential method fall-of-potential method fall of potential test fall-of potential test fall-of-potential test