论述了眼底照相机的原理和控制杂光及鬼像的方法。
A method for clear up the harmful light such as scatter light and central ghost in retinal camera was introduced.
本文给出了针孔相机的原理、参数选择和在激光聚变实验中所得到的主要结果。
This paper discusses the principle of an X-ray pinhole camera and the guidelines for choosing its parameters. The main results by this camera in laser fusion experiments are presented.
当他走进房间时，有人会问他照相机的工作原理是怎样的。
When he entered the room, somebody would ask him how a camera worked.
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