本文叙述了重氮复印法的原理及优点。
This paper presents the principle and advantage of diazocopy.
涂铅复印法显现检验压痕字迹，其特点是经济、实用、快捷，显现效果较好，对基层技术点有一定的指导作用。
Duplication applying lead in verifying and revealing pressing handwriting has the characteristics of being economical, practical, quick and good in effect.
一篇报道这样写道：复印机的抨击者指责复印技术相当于鼓励偷窃，“扼杀人们的创造性，把《版权法》置若罔闻”。
The photocopier’s opponents said the technology enabled theft and “stifled creativity and punched holes in the copyright laws,” according to one article.
采用傅立叶变换红外光谱、图像扫描和显微分析等手段，研究了静电复印废纸溶剂法脱墨的机理。
The mechanism of de-inking of photocopy waste paper with solvent treatment was investigated by Fourier transforming infrared spectrum (FT-IR), image-scanning and microscope analysis.
一篇报道这样写道：复印机的抨击者指责复印技术相当于鼓励偷窃，“扼杀人们的创造性，把《版权法》置若罔闻”。
The photocopier's opponents said the technology enabled theft and "stifled creativity and punched holes in the copyright laws, " according to one article.
一篇报道这样写道：复印机的抨击者指责复印技术相当于鼓励偷窃，“扼杀人们的创造性，把《版权法》置若罔闻”。
The photocopier's opponents said the technology enabled theft and "stifled creativity and punched holes in the copyright laws, " according to one article.
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