?持续光线
... 持续光谱 continuous spectrum 持续光线 continuous beam of light 持续过程 time-continuing process ...
?持续光束
... prestressed continuous beam 预应力连续梁 continuous beam of light 持续光束 composite continuous beam 混合连续梁 ...
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。