beam angle

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/05/15 17:55:27

beam angle

eam angle [英]bi:m ˈæŋɡl [美]bim ˈæŋɡəl
（电磁）波束宽度
[例句]The ratio of the flux emitted within the solid angle defined by the beam spread , to the bare lamp flux.
由光束角限定的立体角内辐射出的光通量与裸光源光通量之比.

beam angle half width beam angle Angle main beam, beam led beam dwell steel angle angle意思? Angle May - Degenerates Angle.>. Fallen Angle angle天使