“photographic density”概念、定义、翻译-科学时代

单词	photographic density
释义	电子通信与自动控制技术词汇手册 photographic density 摄影密度
随便看	pandurate pandurate pan-Egyptism panegyric panegyrist panel panel panel panel panel panel panel panel panel panel panel panel panel panela panel absorber panel barrier pillar panel-board panel board panel boundary panel changing at alternate tappings

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 density