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phototube

美['foʊtoʊˌtuːb] 英['fəʊtəʊˌtuːb]

n. 光电器

The electrons freed in the phototube cross over to the metal rod. 光电管中被释放的电子从金属片渡越到金属杆上。
Testing the Noise of Image Intensifier with Multiplier Phototub[J]. 引用该论文张伟;汪岳峰;董伟.
A device, such as a phototube, used to enhance or increase an effect. 扩（量）程器一种用来加强或者增加效果的仪器，比如光电管
Physics A device, such as a phototube, used to enhance or increase an effect. 扩（量）程器：一种用来加强或者增加效果的仪器，比如光电管
The phototube, a very special type of electron tube, is the heart of the talking-picture projector. 光电管，一种非常特殊的电子管，是有声电影放映机的心脏。
These electrons cannot pass into the phototube because of the insulation on the metal plate. 由于金属板上的绝缘层，这些电子并不能进入电光管。

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