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DOI即数字对象唯一标志码(digital object identifier),DOI系统的主要功能是给数字对象分配永久且唯一的标志符。CrossRef即开放式参考链接系统,是注册DOI的最大的代理机构,为科学、技术和医学期刊注册DOI,用来建立在不同出版商的网络平台上出版的期刊内容之间的跨平台链接。CrossRef采用DOI系统实现了参考文献的全文链接,极大地方便了读者查阅文献。DOI与CrossRef在我国科技期刊出版中的应用处于起步阶段。科技期刊应当高度重视数字化建设,充分利用网络技术,建立期刊网站,实现全文上网,为期刊论文注册DOI并加入CrossRef,实现跨平台链接,以提高期刊的显示度和可获取性。
DOI is a digital object identifier. The main function of a DOI system is to assign a permanent and unique identifier to a digital object. CrossRef, the open reference link system, is the largest agency for DOI registrations and DOIs are registered for scientific, technical and medical journals to build cross-platform links between journal content published on different publishers’ web platforms. CrossRef uses DOI system to realize the full-text links of references, which greatly facilitates the readers to consult the literature. The application of DOI and CrossRef in the publication of Chinese sci-tech periodicals is in its infancy. Sci-tech periodicals should attach great importance to digital construction, make full use of network technology, establish periodical websites, realize full-text access to the Internet, register DOI for journal articles, and join CrossRef to achieve cross-platform links so as to improve the display and accessibility of periodicals.