Norman Rockwell, a 20th-century artist, never painted Boy Swiping Finger on Screen, and our own vision of a perfect childhood has never been adjusted to accommodate that now-common scene.

诺曼·洛克威尔是20世纪的艺术家，他从未画过《在屏幕上滑动手指的男孩》这幅画，而我们对完美童年时代的幻想也从未被调整来适应这种如今常见的场景。

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For example, an image of the scene behind an object was projected on a screen in front of it, " he says.

举例来说，就是将物体身后的景象投射到它前面的屏幕上，”他说道。

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Screens that use a full-array of LED backlights are much better. Apart from giving more uniform brightness, they allow the screen to be dimmed selectively in places where a scene needs to be dark.

利用整个方阵的LED背景灯光的屏幕效果要好很多，出了提供更多的统一亮度，他们同样能满足当屏幕需要变暗时所需要达到的效果。

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And, as if more proof were needed that Korea aspires to become a player on the global screen scene, the first Pusan International Film Festival, last August, displayed some of the trappings normally associated with major movie celebrations in the West.

CNN: CINEMA

Like pre-existing blue-screen techniques it involves filming a scene against an aquamarine blue-coloured background.

BBC: Blue and green-screen effects pioneer Petro Vlahos dies

Additional new touch-screen controls include on-screen sliders for adjusting brightness and Scene Effect Adjustment, which offers controls specific to the scene mode in use.

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