The optical design of a semi-spherical screen fish-eye objective with field angle 180 degrees has been studied.
本文讨论了视场等于180度的球幕鱼眼镜头的光学设计问题。
Cover the top with a strong wire screen. This is where you put the fish.
用一个坚固的金属网盖在这个容器的顶部，这儿是放鱼的地方。
Screen wall is inscribed with insects, fish, vegetation, leading lotus pattern, filled with a strong ethnic flavor.
影壁上镌刻有虫鱼草木莲花龙头图案，弥漫着浓浓的民族气息。
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