In micrographics, a specific method of computer output microfilming in which a beam of electrons is directed onto an energy sensitive microfilm.
缩微图形技
,一种专门
计算机输出微缩胶片方法,其将电子束直接射在对能量敏感缩微胶片上。
)缩微胶卷缩微胶卷拍摄In micrographics, a specific method of computer output microfilming in which a beam of electrons is directed onto an energy sensitive microfilm.
缩微图形技,一种专门计算机输出微缩胶片方法,其将电子束直接射在对能量敏感缩微胶片上。
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，
量副本离原始资料远近程。第一次缩微后胶片为第一代缩微胶片。
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