| | Was bundle of light, such as light searchlight | | Still light beam. Was bundle of light, such as the searchlight of the light. | | 光束
guāngshù
[light beam] 具有一定关系的光线的集合,也就是光波波阵面的法线的集合,称为光束。分为同心光束和平行光束。前者由发光点所发射光线而构成;它与球面波相应。后者为发光点在无限远处发出的光束,它与平面波相应。 | | - n.: dimmer, ray, luminous flux, light beam, beam
| | - n. jet de lumière, rayon
| | beam, stream |
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