In micrographics, a specific method of computer output microfilming in which a beam of electrons is directed onto an energy sensitive microfilm.
图形技术,专门计算机输出胶片方法,其将电子束直接射在对能量敏感胶片上。
In micrographics, a specific method of computer output microfilming in which a beam of electrons is directed onto an energy sensitive microfilm.
图形技术,专门计算机输出胶片方法,其将电子束直接射在对能量敏感胶片上。
In micrographics, a measure of the remoteness of the copy from the original material, the first microfilm representation being the first generation microfilm.
在照相技术,度量副本离原始资料远近程度。第次胶片为第代胶片。
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