S. R. Ranganathan puts forth the five laws of library science: " books are for use;"
阮冈纳赞提出了图书馆学五定律：“书是为了用的；
2
HP's Ranganathan used the term "ubiquitous nanosensors," that can have multiple dimensions per sensor.
惠普的兰加纳坦则用了“无处不在的纳米传感器”这个概念：每个传感器都有多种特征。
3
Discusses the center to Ranganathan's philosophy of library science-user-focus, and explains Ranganathan 's position about user need satisfaction and user - library relationship.