我们首先应该承认,今天在美国由图书馆来服务的大专院校的复杂性,比起十年或二十年前有很大的不同。院校图书馆也和它所服务的院校一样有了多方面的变化。二十五年前,我国藏书一百万册的图书馆只有十几个。而现在的院校图书馆就已达到而且超过了这个数字。许多新型的院校,比如公共学院和理工学院已扩大了旧校园的空间。在过去二十年中,公共学院的大批成立是惊人的。作为院校图书馆的一个新成员的大学生图书馆虽然在数量上 We should first of all recognize that the complexity of the tertiary institutions that are served by the libraries in the United States today is quite different from ten or twenty years ago. The academic library also has many changes as well as the institutions it serves. Twenty five years ago, there were only a dozen or so libraries in our country with one million books. And now the college library has reached and exceeded this number. Many new institutions, such as public colleges and polytechnics, have expanded their old campus space. The massive establishment of public colleges has been phenomenal over the past two decades. The college library, which is a new member of the college library, though in volume