In recent years, with the development of science and technology of the digital publishing popularization, audio books and some read pen point more and more people know and accept. Audio books and some read the pen is invisible planar bar code optical identification technology, IC control chip, decoding, audio, flash memory technology combination of the two. Some read pen in change of paper medium silent reading for audio books aspects of epoch-making significance, digital publishing industry is a major breakthrough, will greatly change people's study way, raise people's interest in learning an...
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