A more integrated theory of design and analysis has been established for the sake of developing the condensing lens type large aperture Frensnel lens.
建立了一套较完整的大口径聚光镜型菲涅耳透镜设计和分析理论。
Objective To investigate the surgical method and clinical effect of surgery for primary retinal detachment under indirect ophthalmoscope with no hand-held condensing lens.
目的探讨无手持聚光透镜间接检眼镜下进行原发性(孔源性)视网膜脱离复位手术的方法及其效果。
This paper comparably tests different LED light source and optical convergence system, analyzes the condensing performance and designs the structure of TIR lens.
对各种LED光源和光学会聚系统进行了对比测试，并对其聚光性能进行了分析，设计了一种全内反射透镜（TIR透镜）结构。
The stereo projector by polarized light include chiefly. the three parts: the objective lens system of the projection, the condensing system and a source of light.
偏光立体显示仪主要包括三部分，投影物镜系统、聚光系统、光源。
The stereo projector by polarized light include chiefly. the three parts: the objective lens system of the projection, the condensing system and a source of light.
偏光立体显示仪主要包括三部分，投影物镜系统、聚光系统、光源。
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