• 来自…的光线

Beamysn.长尾巨鼠属beamvi.微笑；发光vt.播送；发射；用梁支撑n.桁条；光线；(光线的)束；(横)梁Beam's eye viewv.用匙喂；填鸭式教育beam and scales天平beam causticity电子束散焦度beam attenuator波束衰减器,光束衰减器,射束衰减器beam parameters光束参量beam switchyard束流分配装置Beam-steering波束指向beam broadening波束变宽beam defocusing束流散聚beam monitoring束拎测