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	ignition energy ignition-energy ignition engine ignition equipment ignition exciter ignition exciter unit ignition experiment ignition explosion mechanics ignition explosive ignition factor ignition fade-out ignition failure ignition failure protection ignition failure protection device ignition-failure tripping device ignition firebox ignition firing temperature ignition flame ignition following earthquake ignition frequency ignition fuel ignition fuel trip ignition furnace ignition fuse ignition gallery