IEC 62605:2021规定了出版商、内容创建者和制造商之间电子词典的交换格式。 本文件未涉及以下方面: ？用于读取设备的数据格式； ？仅为最终印刷复制所需的元素； ？渲染与物理设备相关的问题； ？文档的DRM等安全问题。 IEC 62605:2021取消并取代了2016年发布的第二版。本版构成技术修订版。 与上一版相比，此版本包括以下重大技术变更: 附件B所述格式在以下方面得到了显著加强: a)增强数据使用的要素（例如与网络相关的使用）； b)可访问性相关功能的属性； c)用于数据可重用性的更详细标记的属性。

IEC 62605:2021 specifies the interchange format for e-dictionaries among publishers, content creators and manufacturers.
This document does not address the following aspects:
？ data formats for reading devices;
？ elements necessary for final print reproduction only;
？ rendering issues related to physical devices;
？ security issues such as DRM for documents.
IEC 62605:2021 cancels and replaces the second edition published in 2016. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
The format described in Annex B was significantly enhanced in the following ways:
a) elements to enhance uses of data (e.g. web-related usage);
b) attribute for accessibility-related functions;
c) attributes for more detailed markup for data reusability.