The three images were then developed and projected onto a screen with three projectors using the same color filters as the initial cameras.

然后将三个图像洗出，分别用三个加了与初始滤片相同的滤片的投影仪投影在屏幕上。

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It is done using a special type of liquid-crystal array developed by a British firm called, which is also developing the technology for use in tiny projectors (see article).

它使用一种由英国公司Light Blue Optics(它也在研究在小投影上的应用技术)发明的特别的液晶阵列来实现。

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Using two projectors, we can superimpose one film image on the other.

使用两架放映机，我们可以将一个影像重叠在另一个上。

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An independent evaluation found positive impacts in literacy centres using Kinkajou projectors.

UNESCO: Support for the Quality and Equity of Education

But he says that the next generation of digital projectors, using lasers instead of lightbulbs, will mitigate that problem.

FORBES: Magazine Article

The professors, in the good schools great scholars, are unaccessible because they drone their lectures to auditoriums filled to the brim with hundreds, often using broken, hissing microphones, manually changing slides on actual slide projectors.

FORBES: Does Higher Education Need To Go Back To The Fifties?