20201023words.phrases.sentences
划水式记录：地球时期：寒武纪，奥陶纪，志留纪，泥盆纪，石炭纪，二叠纪，三叠纪，侏罗纪，白垩纪，，，
VR：virtual reality technology is a computer simulation system for creating and experiencing a virtual world by using computer to generate a simulated environment!
it is a system simulation with the figure of multi -source information fusion,interactive three-dimensional dynamic view and entity behavior ,which makes the user immerse 沉浸into this kind of environment。
虚拟现实技术是一种可以创建和体验虚拟世界的计算机仿真系统，生成一种模拟环境，是一种多元信息融合、交互的三维动态视景和实体行为的系统仿真，让用户沉浸在环境中。
——The top eight technologies 八大核心技术：include nuclear 核、aerospace航空、biotechnology 、environmental protection 、laser激光、information technology 、new material technology and new energy technology！