... circular fresnel lens 圆形菲涅尔透镜 cylindrical fresnel lens 圆柱形菲涅尔透镜 flexible diagnostic fresnel lens 诊断用弹性 ...
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The optical design and optical efficiency of line focus cylindrical Fresnel lens for solar concentrator are discussed.
研究了柱面线聚焦菲涅耳太阳聚光透镜的光学设计和光学效率。
The one-dimensional Fresnel zone phase correcting principle can be applied in a cylindrical surface to constructed a new type of point source feeding lens antenna.
在圆柱面上进行一维菲涅尔区相位修正结构设计，可以构成一类新型的点源馈电透镜天线。
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