中文摘要：

分析了虚拟现实VR的发展过程、基本特点和主要应用,从VR设备、VR内容、VR交互3个方面概述了VR当前的主要研究目标和研究成果,探讨了VR进一步研究的技术方向。

英文摘要：

This survey provides a eomprehensive aualysis of the development history, key eharaeteristies and major applieations of VR. From the perspeetives like VR deviees, VR eontent and VR interaction, we briefly describe the main objectives and produets of the state- of-the-art VR researches. Finally, weproposeseveral directions that need to be further exploredin the future.