The choice effect of colour is subject to the numbers of holes , the shapes of holes , the precision of size 荫罩上孔的数量,孔的形状和尺寸的精度,都会影响彩色显像管的选色效果。
For the sake of good colour purity of colour screen , the paper introduces setting of analog magnetic field and requirements of operation 为确保彩色显像管产品色纯良好,介绍了模拟磁场的设立和使用要求。
To the earth magnet , it actually introduces to adopt the particular way and procedure of correcting drift of landing screen 针对地磁的影响情况,介绍了实际采用的纠正彩色显像管着屏偏差的具体方法和途径。
We have come to look upon the picture tube as a source of entertainment , placing our role in this dynamic medium as the passive viewer 我们渐渐把显像管看作是娱乐的来源,让自己成为这个生动的媒介的被动观众。