1.In micrographics, a specific method of computer output microfilming in which a beam of electrons is directed onto an energy sensitive microfilm.
缩微图技术中,一种专门的计算机输出微缩片方法,其中将电子束直接射在对能量敏感的缩微片上。
2.In micrographics, a measure of the remoteness of the copy from the original material, the first microfilm representation being the first generation microfilm.