They are listed on the closely guarded microfilm.它们列于一卷严格保管的缩微胶卷上.A device for reading materials in microform, such as microfilm and microfiche.显微阅读器用以阅读缩微成像, 如缩微胶卷和缩微平片上的材料的仪器.Tomorrow we'll look at microfilm recor...
Such information is easily transferred onto microfilm.这种信息很容易转存到缩微胶卷上。Tomorrow we'll look at microfilm records for several months back.明天我们将去检查前几个月的缩微胶卷记录.They are listed on the closely guarded microfilm.它们列于一卷严格保管的...