photocell

• Measuring methods of photocell - voltage - current characteristic
  光电池测量方法伏安特性
• Measuring methods of photocell - dark current
  光电池测量方法暗电流
• Measuring methods of photocell - general rules
  光电池测量方法总则
• Measuring methods of photocell - spectral response characteristic
  光电池测量方法光谱相应特性
• Measuring methods of photocell - photo - electric conversion efficiency
  光电池测量方法光电转换效率
• Measuring methods of photocell - illumination - current characteristic
  光电池测量方法照度?电流特性
• The door is photocell controlled by operating a keyboard
  那扇门是通过操纵一个键盘,用光电管来控制的
• Measuring methods of photocell - dark current temperature characteristic
  光电池测量方法暗电流温度特性
• Blanking gate photocell
  产生消隐脉冲的光电管
• Central cathode photocell
  中心阴极光电管