在缩微照相技术中，度量副本离原始资料远近的程度。第一次缩微后的。
In micrographics, a measure of the remoteness of the copy from the original material, the first microfilm representation being the first generation microfilm.
在缩微照相技术中，度量副本离原始资料远近的程度。第一次缩微后的胶片为第一代缩微胶片。
In micrographics, a measure of the remoteness of the copy from the original material, the first microfilm representation being the first generation microfilm.
操作台的抽屉里塞满了参考书、缩微胶片和各种书目卡片。奥特勒还设想在手臂可及的桌子上摆上收音机、电视和照相设备。
It was to harbor drawers brimming with reference books, microfilm and bibliographic CARDS. He also imagined radio, television and camera equipment at arm's length on the desk.
操作台的抽屉里塞满了参考书、缩微胶片和各种书目卡片。奥特勒还设想在手臂可及的桌子上摆上收音机、电视和照相设备。
It was to harbor drawers brimming with reference books, microfilm and bibliographic CARDS. He also imagined radio, television and camera equipment at arm's length on the desk.
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