英语翻译A stop 8mm in diameter is placed halfway between an exte

来源：学生作业帮编辑：灵鹊做题网作业帮分类：英语作业时间：2024/04/28 16:22:48

英语翻译
A stop 8mm in diameter is placed halfway between an extended object and a large-diameter lens of 9cm focal length.The lens projects an image of the object onto a screen 14cm away.What is the diameter of the exit pupil?
能在专业点吗 stop是光澜我主要不认识extended object 肯定不是拓展物的意思

8 毫米直径的一个站位于扩展的对象和大口径透镜的焦距 9 厘米的中间.镜头项目到 14 厘米了屏幕上的对象的图像.出口瞳孔直径是什么?

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