bifocal lens
英 [ˌbaɪˈfəʊkəl lenz]
美 [ˈbaɪfoʊkəl lenz]
双焦透镜（用于眼镜片的双透镜）
双语例句
- Propagation properties of partially polarized, partially coherent vectorial cosh-Gaussian beams through bifocal lens
部分相干部分偏振矢量双曲余弦-高斯光束通过双焦透镜的传输特性 - Current methods such as single-focus glasses, bifocal glasses and progressive additional lens are the most widely used for correction of presbyopia.
现阶段老视矫正的主流方式是配戴单焦框架眼镜、双焦框架眼镜和渐变多焦点眼镜。 - Starting from Collins integral, the focusing characteristics of Gaussian beams passing through a bifocal lens are studied.
从Collins公式出发，研究了高斯光束通过双焦透镜后的聚焦特性。 - Based on the Collins formula, the propagation expression of astigmatic Cosh-Gaussian beams passing through a bifocal lens system is derived.
基于Collins公式，推导了有像散双曲余弦高斯光束通过双焦透镜系统后的解析传输公式，分析了该光束轴上光强分布和焦移。 - Finally, a bifocal wide angel lens antenna is designed successfully by using Geometric Optics ( GO) method and commercial software MATLAB.
利用几何光学方法结合数学仿真设计软件MATLAB，成功设计出一副双焦广角透镜天线，并给出了设计方法和最终的设计参数。