[目的/意义]了解和比较中美一流大学图书馆移动服务的发展情况，有利于更好地促进中国大学图书馆移动服务的提升。[方法/过程]采用网站访问调查和内容分析的方法，对中国137所"双一流"大学和美国排名前100名大学的图书馆进行调研。通过对移动服务类型、移动网站提供的内容、移动参考咨询服务、社交媒体、移动预约服务以及移动打印服务等方面进行调查分析，比较中美大学图书馆移动服务的差异。[结果/结论]加强对移动网站的开发，充分发挥微信公众号的服务功能，增加个人馆员和教学参考资源等服务以促进用户对图书馆的利用，加快发展移动参考咨询、移动预约和移动打印等贴合用户日常需求的服务。
[Purpose/significance]Understanding and comparing the development of mobile services of the first-class university libraries in China and the United States is conducive to better promoting the promotion of mobile services in Chinese university libraries.[Method/process]This study uses website access and content analysis methods to investigate the libraries of 137 "Double First-class" universities in China and the top 100 universities in the United States. By comparing the types of mobile services, content provided by mobile websites, content provided by APP, mobile reference services, social media, mobile reservation services, mobile printing services, etc., it compares the differences in mobile services between Chinese and American university libraries.[Result/conclusion]It is recommended Chinese university libraries should strengthen the development of mobile websites, give full play to the service functions of WeChat public account, increase services such as personal librarians and teaching reference resources, and accelerate the development of mobile reference services, mobile reservation services and mobile printing services to better provide services to users.
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