有一种方式是运用“立体光学技术”，在两个角度拍摄画面。
One way of doing so is to use "stereoscopic" optical technologies, in which scenes are filmed from two angles.
2009年夏天，美国空军在伊拉克武装人员的笔记本电脑中发现了“很多天和很多小时”的无人飞机拍摄画面。
In the summer of 2009, U.S. forces discovered "days and days and hours and hours" of the drone footage on the laptops of Iraqi insurgents.
相机一端的液晶触摸屏可以显示拍摄画面，提示可以对焦的不同位置，以及进行此类显示屏的其它功能(如照片回放)。
An LCD touchscreen viewfinder at one end displays the image to be captured, provides an idea of the different possible focal points, and does other things such displays do, like reviewing shots.
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