问题:单选题35mm固定式放映机每隔()小时应进行保养。A 0.2%B 0.3%C 0.5%D 0.7%...
Friday, April 14, 2023
Thursday, September 22, 2022
问题:造成影片收缩发脆的原因()、空气干燥、运输途中收到()。...
Friday, September 16, 2022
问题:单选题按装放映机氙灯时,如氙灯沾上手汗、油、灰尘应如何处理()。A 用酒精擦B 用水擦C 用汽油擦D 用干布擦...
Tuesday, July 18, 2023
Friday, September 16, 2022
问题:问答题2013版赔付制度里面有关3D眼镜的赔付标准是什么?...
Monday, October 23, 2023
问题:换新氙灯之后,如果氙灯阴阳极的导线连接不牢固,一定无法触发氙灯()...
Thursday, September 22, 2022
问题:单选题新氙灯工作应使用其额电流的()。A 50%B 60%C 70%D 80%...
Sunday, June 11, 2023
Wednesday, December 7, 2022
问题:填空题在巡厅过程中,发现影片图像模糊,应调节放映机的()...
Saturday, April 6, 2024
问题:单选题在放映标准电平片时,通过光电转换和放大器放大后测得输出信号的失真不宜超过()。A 1%B 3%C 6%D 9%...
Sunday, June 11, 2023
Monday, April 22, 2024
Wednesday, November 30, 2022
问题:数字影厅的银幕中心亮度应达到48cd/m²,容差范围为±()。胶片电影银幕中心亮度应为55±15cd/m2,多台放映机的...
Wednesday, September 21, 2022
Thursday, September 22, 2022
Sunday, June 11, 2023
问题:单选题前置隙缝的激励镜头放大倍率为()。A 5倍B 2倍C 1/2D 1/5倍...
Friday, October 7, 2022
问题:在放映ReaLD3D影片中如放映机与服务器的AB视频线接反,不可能出现以下现象()...
Thursday, September 15, 2022
Thursday, September 22, 2022
问题:填空题频率在()范围内的声波叫做可闻声,20-20KHz的频率范围称为音频。...
Saturday, April 6, 2024