本文档介绍了在学习、教育和培训（LET）领域使用虚拟现实内容的注意事项，以减少用户之间的现实和虚拟现实交叉混淆，并帮助用户有效使用这些新兴技术。 本文档介绍了在LET域中使用头戴式显示器（HMD）的VR内容。它不使用沉浸式技术处理虚拟现实内容，也不处理增强现实、混合或合并现实内容。

This document presents considerations for using VR content in the learning, education and training (LET) domain for reducing reality and virtual reality crossover confusion among users and assisting users to effectively use these emerging technologies. This document addresses VR content that uses a head-mounted display (HMD) in the LET domain. It does not address VR content using immersive technology and does not address augmented reality, mixed or merged reality content.