In micrographics, a specific method of computer output microfilming in which a beam of electrons is directed onto an energy sensitive microfilm.
缩微图形技术中,一
专
计算机输出微缩
方法,其中将电子束直接射在对能量敏感缩微上。
In micrographics, a specific method of computer output microfilming in which a beam of electrons is directed onto an energy sensitive microfilm.
缩微图形技术中,一专计算机输出微缩方法,其中将电子束直接射在对能量敏感缩微上。
In micrographics, a measure of the remoteness of the copy from the original material, the first microfilm representation being the first generation microfilm.
在缩微照相技术中，度量副本离原始资料远近程度。第一次缩微后为第一代缩微。
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