Because mankind has lived through an earlier transformation in its communications environment, brought about by the invention of printing by movable type.
由于人类在通信环境经历了从较早的转变，是由活字印刷的发明带来的。
Imagine that the net represents a similar kind of transformation in our communications environment to that wrought by printing.
试想，互联网正在像印刷术一样变革我们的通信环境。
We often talk about inventions like the printing press and the television - by simply making communication more efficient, they led to a complete transformation of many important parts of society.
我们经常谈论印刷媒体和电视等发明——通过提高通信效率，它们发端了众多社会关键领域的深刻变革。
Research on MCCAD includes formulation of printing color standards, a model transformation between screen reproduction and printing restoration, an expert color design system and etc.
MCCAD研究包括印刷色标的制定、屏幕再现与印刷复原的模型转换研究、专家设色系统等。
Research on MCCAD includes formulation of printing color standards, a model transformation between screen reproduction and printing restoration, an expert color design system and etc.
MCCAD研究包括印刷色标的制定、屏幕再现与印刷复原的模型转换研究、专家设色系统等。
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