定向天线 beam antenna
射束孔 beam aperture
光束衰减器 beam attenuator
射束轴 beam axis
光速平衡比 beam balance ratio
光束亮度 beam brightness
聚束 beam bunching
束烛光 beam candlepower
光束组合器 beam combiner
射束电流 beam current
偏束晶体,光束偏转晶体 beam deflecting crystal
射束偏转镜 beam deflecting mirror
射束孔 beam aperture
光束衰减器 beam attenuator
射束轴 beam axis
光速平衡比 beam balance ratio
光束亮度 beam brightness
聚束 beam bunching
束烛光 beam candlepower
光束组合器 beam combiner
射束电流 beam current
偏束晶体,光束偏转晶体 beam deflecting crystal
射束偏转镜 beam deflecting mirror
束偏斜 beam deflection
束偏斜管 beam deflection tube
射束密度 beam density
射束偏移系数 beam deviation factor
束直径 beam diameter
束位移 beam displacement
束发散角 beam divergence angle
析光镜,分束器 beam divider
束扩展器 beam expander
光束扫描 beam flying
电子束聚焦(2)射线束聚焦 beam focusing (1)
聚束 beam forming
聚束光学系统 beam forming optics
光束制导 beam guidance
光束强度 beam intensity
射束锁定 beam locking
光束 beam of light
射线束 beam of X-raysX
束流光学 beam optics
光路,光束路径 beam path
指向产图案 beam pattern
电子束 beam pencil
束定位器 beam positioners
电子束功率管 beam power tube
束比 beam ratio
波束制导系统 beam rider
透镜通光截面 beam section of lens
光束锐化 beam sharpening
射束分离器,分束器,析光镜 beam splitter
分束涂层 beam splitting coating