China hownet double design system student operation manual student number website: the account number and password are student numbers, and the account type is student. China HowNet is a full-text database (CD-ROM version) of China academic journals edited and published by China academic journals e-magazine. The collected resources include periodicals, doctoral and master's dissertations, conference papers, newspapers and other academic and professional materials; It covers a wide range of disciplines such as science and engineering, social science, electronic information technology, agriculture and medicine. , data is updated daily, and cross-database retrieval is supported.