Test instruments for movie - and still - picture cameras with automatic exposure controls 自动曝光控制的电影摄影机和照相机用测试仪器
Konica minolta s dry micro - toning system , optical technology and electronic automatic exposure control system combine to ensure superior image quality print after print 结合柯尼卡美能达的乾性微细碳粉系统、光学技术以及电子自动曝光控制系统,即使经过重复打印的影像亦具有相当高的质素。
百科解释
Automatic Exposure Control (AEC) is an X-ray exposure termination device. A medical radiography x-ray exposure is always initiated by a human operator.