light beam〔名词〕光束详细»
light beam〔名词〕光束,光线详细»
light beam〔名词〕光束;n.光束,光线详细»
light beam光束[ 与波面垂直的光线簇。(IDA)]详细»
light beam〔名词〕光束,光线详细»
light beam〔名词〕光束详细»
光束beam of light;pencil;streamer详细»
光束light beam;pencil of light;pencil of rays;ray cone详细»
光束light beam;light pencil;luminous beam详细»
光束light beam;lightbeam;optic bundle详细»