“photographic zenith tube”概念、定义、翻译-科学时代

单词	photographic zenith tube
释义	地球科学词汇手册 photographic zenith tube 照相天顶筒
随便看	laser target indicator laser target plasma laser television laser terrain avoidance sensor laser terrain-clearance indicator laser theodolite laser theodolite laser theodolite laser thermal constants measurement equipment laser thickness gauge laser thickness gauge laser threshold laser topographic position finder laser topographic position finder laser tracking laser tracking axis laser tracking measurement system laser tracking subnet laser transformation hardening laser transition laser transition frequency laser transit telescope laser transmission laser transmitter laser transmitter

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

photographic zenith tube