这种相机用一种新型胶卷。

The camera USES a new type of film.

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普通相机用滤光片来阻隔红外光谱范围内的任何光线。

Ordinary cameras use filters to block any light in the infrared spectrum.

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坦率地说，我在这里仅仅只触及到数码单反相机用闪光灯的一点点皮毛。

Frankly, I have just touched the surface here in this article on flash units for your DSLR.

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But no matter, I spent a year in graduate school doing forensic research and working for the local Middlesex DA's office where I learned how to make a so-called forensic image of a digital camera's media card.

不过没关系，我在研究生院花了一年做法庭研究,并在那儿的Middlesex，DA的办公室工作,在那里,我学会了用数码相机的媒介卡,制作鉴识影像。

哈佛公开课 - 计算机科学课程节选