论文部分内容阅读
一台北京牌865—1型44cm(17英寸)黑白电视机,光栅上1/3偏暗。特别对比度旋钮关死之后更加明显,下2/3正常。
A Beijing brand 865-1 44cm (17 inches) black and white TV, the grating on the 1/3 darker. Special contrast knob shut even more obvious after the death, the next 2/3 normal.