These scintillations can be counted by means of a photomultiplier tube and associated electrical devices . 可以用一种光电倍加管以及相应电子装置对这些闪光进行记数。
the bandgap of the double heterostructure was only 0. 86μm, yet up to 1ma of photo-current was detected. 双异质结的带隙仅为086m，迄今探测到的光电达1mA。
One type is the iconoscope. it contains three essential parts--a mosaic, a collector ring and an electron gun . 一种是光电摄象管，它有三个基本部件--嵌镶光电阳极、集电环和电子枪。
The geodimeter measurements executed in april also disclosed very rapid and complicated horizontal crustal movements . 四月份进行的光电测距仪测量也揭示水平地壳运动是非常快而复杂的。
The principle of the multipliers is as follows: a light quantum hits the lightsensitive layer and releases an electron . 光电倍增管的原理如下：一个光量子打在感光层上，释放出一个电子。
The photomultiplier converts the light energy signal into an identical electrical signal that can be easily manipulated and measured . 光电倍增管可将光能转变成易于操纵或测量的电流信号。
A photoelectric circuit operates the control circuit to prepare the instrument for a new cycle and to update the remote readout . 光电回路操作控制回路准备仪器进入新的周期和发出远距离读数。
After more than a decade of research, the semiconductor laser has emerged as an important component in optoelectronic systems . 经过十多年的研究，半导体激光器已经发展成为光电系统的重要器件。
There are a number of applications of the photographic detector in astronomy which cannot be undertaken by an known photoeletric device . 在天文学中，照相探测器的许多应用不能用现有的光电器件来代替。
In electronic detectors such as photomultipliers and television tubes, noise manifests itself as random fluctuations in the output current . 对于光电倍增管，电视摄像管之类的电子探测器，噪声则表现为输出电流的随机起伏。
