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一、概 述 本文对大量实验数据进行了分析,得出这样的结论:缩微品中字迹线条密度值是影响缩微品可读性的关键因素,不能只用背景密度一项指标来概括,也不是人们通常所认为的,反差越大缩微品可读性越好。
I. Overview This paper analyzes a large number of experimental data and concludes that the density of writing lines in microform products is a key factor affecting the readability of microform products and can not be summed up only by an index of background density or people Generally believed that the greater the contrast, the better the readability of the microform.