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一个简单的事实经常多次被经济学家提到,就是说全体印刷企业也许是在1993年开始数量减少的,这个统计量是基于美国印刷行业/图象艺术技术基金会(PIA/GATF)的数据报道:1993年共有
A simple fact is often mentioned by economists many times, that is to say, the total printing companies may have started to reduce their numbers in 1993 based on the PIA / GATF (American Printing Industry / Graphic Arts Technology Foundation) Data Report: 1993 total