The paper introduces the characteristics of the advanced CD-NET technology-ERL technology, Which will adapt to various research plat form, Campus network retrieval, rich service forms as well as expended retrieval result and perfect safety system.

• 本文介绍了一种先进的光盘网络技术－ERL技术的主要特点，这些特点是适应多种检索平台、适应校园网检索、具有丰富的服务形式、扩展的检索结果和完善的安全体系等。