Saturday, September 17, 2022
单选题现在衡量阴极射线管及液晶板品质的重要参数为()A 密度分辨率B 高亮度C 灰阶标准显示函数D 空间分辨率E 光通量...
Tuesday, January 23, 2024
Thursday, September 22, 2022
Thursday, September 22, 2022
Wednesday, October 26, 2022
单选题乳腺数字摄影X线机摄影系统用平板探测器代替()A 滤线器B 暗盒仓C 摄影平台D 压迫器E 胶片盒...
Wednesday, January 24, 2024
Friday, September 16, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Tuesday, September 20, 2022
单选题关于高压变压器的叙述,正确的是()A 初级电流小,次级电流大B 初级匝数多,次级匝数少C 初级线径大,次级线径小D 降压变压器E 设计容量是最高额定容量的1/2...
Wednesday, May 15, 2024
Thursday, September 15, 2022
Friday, September 16, 2022
Thursday, September 22, 2022
单选题影像增强器的中心分辨力可高达( )。A 20线对/cmB 30线对/cmC 40线对/cmD 50线对/cmE 60线对/cm...
Thursday, March 23, 2023
Thursday, September 22, 2022