“photographic gun”概念、定义、翻译-科学时代

单词	photographic gun
释义	军事词汇手册 photographic gun 照相枪
随便看	mean-variance analysis mean vector mean velocity mean velocity mean velocity mean velocity mean velocity curve mean velocity in section mean velocity in vertical mean velocity of prevailing wind mean volumetric diameter mean wages mean water level mean water level mean water stage mean wave mean wave height mean wavelength mean wave period mean wind speed in summer mean wind speed in winter mean yield mean yield Meany，George mean zone time

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。