“褐变”概念、定义、翻译-科学时代

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。

单词	褐变
释义	林业词汇手册褐变 brown stain
随便看	nuclear land mine nuclear laser nuclear laser nuclear lifetime nuclear limitation nuclear loading nuclear machinery nuclear magnetic alignment nuclear magnetic dipole moment nuclear magnetic-in-duction method nuclear magnetic-in-duction signal nuclear magnetic-in-duction spectrometer nuclear magnetic-in-duction spectrum nuclear magnetic log nuclear magnetic moment nuclear magnetic relaxation nuclear magnetic resonance nuclear magnetic resonance nuclear magnetic resonance nuclear magnetic resonance nuclear magnetic resonance nuclear magnetic resonance absorption method nuclear magnetic resonance detector nuclear magnetic resonance imaging nuclear magnetic resonance imaging--nuclear magnetic resonance imaging（NMRI）