So all that Bohr, for example, had to go on at this point was a more classical picture of the atom, as you can see on the left side of the screen there, which is the idea that the electrons orbiting the nucleus.

原子的经典图像，你们可以,看到屏幕左边，这是电子，绕着核子旋转，的概念,他已经知道。

麻省理工公开课 - 化学原理课程节选

The masks were little more sophisticated than an old color slide used to project a picture on a screen.

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There was a picture on the screen of Sam Burgess.

BBC: Andrew Henderson column

To create a 3D picture, the screen flashes back and forth between between two slightly different images, and the glasses work in sync , always showing each eye its own picture.

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