有一个透镜系统
There's a lens system
以上为机器翻译结果,长、整句建议使用 人工翻译 。
摄像系统不仅仅包含一个照相机,而更重要的,有一个透镜系统。
The camera system contains not only the detector but also, and very importantly, a lens system.
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设想我们有某种透镜系统,它对一个扩展物体成象。
Imagine that we have some sort of Lens system which forms an image of an extended object.
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