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不得使用网络下载工具如迅雷、flashget、电驴等批量下载或多线程下载图书馆购买的电子资源；不得连续、系统、集中、批量地进行下载、浏览、检索数据库等操作。
相关规定：中山大学合理使用引进电子资源的规定 [中大图书〔2004〕1号文]
ICPSR advances and expands social and behavioral research, acting as a global leader in data stewardship and providing rich data resources and responsive educational opportunities for present and future generations.
An international consortium of more than 700 academic institutions and research organizations, ICPSR provides leadership and training in data access, curation, and methods of analysis for the social science research community.
ICPSR maintains a data archive of more than 500,000 files of research in the social sciences. It hosts 16 specialized collections of data in education, aging, criminal justice, substance abuse, terrorism, and other fields.
ICPSR's educational activities include the Summer Program in Quantitative Methods of Social Research, a comprehensive curriculum of intensive courses in research design, statistics, data analysis, and social methodology. ICPSR also leads several initiatives that encourage use of data in teaching, particularly in undergraduate instruction.
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