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。
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。
The screen lit up . At first there was nothing but a thick grey mist. Then some large objects, like the shadows of enormous fish, flowed across the screen in a steady stream.
屏幕亮了起来，最初只是一层厚厚的迷雾，然后就见到一些好像是大鱼的影子一样的大型物体从屏幕上不断地流过。
Key products widely used in medicine manufacture plastic chemical food printing flour fish screen construction industries filtration powder creating particles.
本厂产品广泛用于医药制造、塑料化工、食品、印刷、面粉、养殖建筑等行业的筛分过滤粉末，制造颗粒等。
Key products widely used in medicine manufacture plastic chemical food printing flour fish screen construction industries filtration powder creating particles.
本厂产品广泛用于医药制造、塑料化工、食品、印刷、面粉、养殖建筑等行业的筛分过滤粉末，制造颗粒等。
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