[一种用于复制幻灯片的简化技术（作者译）]
[A simplified technique for reproducing slides (author's transl)].
作者信息
Meigne J M, Roche A, Doyon D
出版信息
J Radiol Electrol Med Nucl. 1977 Dec;58(12):843-4.
PMID:74411
Abstract
By making use of the film of the substractive screen in contact printing, it is possible to reverse the films into negatives, and to obtain in this manner excellent slides at low cost.
摘要
通过在接触式印相时使用减光屏胶片，可以将胶片反转成负片，并以这种方式低成本获得优质幻灯片。
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