aperture card meaning in English
穿孔卡片；(镶有缩微胶片的)窗孔卡片。
Examples
- Micrographics - use of bar codes on aperture cards
缩微摄影技术.开窗卡上条形码的使用 - Micrographics . aperture card , data processing type
缩微照相. mm缩彩胶卷用机械穿孔缩微卡 - Microfilm aperture card for film 35 mm
35 mm胶片用缩微胶片穿孔卡片 - Test procedures for duplicating 35 - mm diazo microfilm aperture cards
35mm重氮缩微照相检索穿孔卡复制的试验程序 - Digital output on film 35 mm in aperture cards - requirements and testing
35mm缩微胶片数字信息输出.要求和试验