“日光摄影机”的概念、定义、翻译、参考文献-科学参考

单词	日光摄影机
释义	日光摄影机 heliograph
随便看	copperweld copperwelding rod copper welding rod copper weld wire copper wheel copper wire copper-wire bar ingot copper wire brush copper wire cloth copper-wire gasket copper wire loose anchor copper wire net copper-wire rod (供拉丝用) copper wire tie copper wool filter coppery copper-zinc accumulator copper-zinc brazing mixture copper-zinc solder copper-zinc welding rod copper-zine alloy coppice coppice-method coppice of two rotations system coppice selection

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。