An extension of hypertext to include multimedia, i.e. graphics, video, and audio as well as textual material.
Documents which can be read non-linearly by following links known as hyperlinks embedded in the document.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。