中国中数国字数科字技科186775518677551867755186775518677551867755中国数字科技产业投资发展研究报告1正文目录摘要............................................................................................................................................1第一部分：产业篇....................................................................................................................31.中国数字科技产业的概念及内涵................................................................................32.数字科技产业的发展历程............................................................................................52.1工业革命4.0时代.....................................