新信息环境下用户需求驱动的图书馆门户设计与实现——以北京大学图书馆为例
신신식배경하용호수구구동적도서관문호설계여실현——이북경대학도서관위례
The Design and Implementation of Library Portal Based on User Requirements in the New Information Environment --Taking Peking University Library as an Example