“obscure ray”概念、定义、翻译-科学时代

单词	obscure ray
释义	电子通信与自动控制技术词汇手册 obscure ray 暗线，不可见射线
随便看	landing site landing skid landing speed landing stage landing strip landing subsystem landing weight landing weight landing wheel landing zone of emergency rescue landing zone of emergency return landing　短卸 Landini cadence Landini sixth land intensive land-intensive industry land investment corporation land jobber land-jobber land law land lease Land-Lease Act land ledger landless peasant landless peasant

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。

obscure ray