光电管

• This flicker is detected on a photocell .
  这种闪烁由光电管所接收。
• The photoelectric cell controls a servomotor .
  该光电管控制着一个伺服电动机。
• Electronmultiplier cells are superior to ordinary photocells .
  电子倍增管比普通的光电管好。
• The spectral sensitivity of various cells is very different .
  各种光电管的分光灵敏度是很不相同的。
• It intercepts a portion of the light impinging on the photocell .
  它遮住一部分照射在光电管上的光。
• 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。
• 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。
• A small flay, attached to this body, intercepts a beam of light coming from a source and directed to a photocell .
  附在该物体上的光罩截取对着光电管的光束。
• Detail specification for electronic components phototube of type gd - 24
  电子元器件详细规范. gd - 24型光电管
• Leds and phototransistors then read the spinning wheels
  发光二极管和光电管这时就读取旋转的轮子传来的信号。