1·A complicating factor has been the continuing lack of specialized one-volume reference works on Asian Americans, such as biographical dictionaries or desktop encyclopedias.
一个复杂的因素是，一直缺乏专门针对亚裔美国人的一卷参考著作，如传记词典或台式百科全书。
2·They are, in essence, the database owners of these encyclopedias.
他们在本质上是这些百科全书的数据库所有者。
3·They are also considered the database owners of these encyclopedias.
他们还可以看做是这些百科全书的数据库主人。
4·However, the category of traditional encyclopedias and reference material has changed.
然而，传统百科全书和参考材料的范畴业已改变。
5·Textbooks, encyclopedias and wall maps may take time to catch up with the new country.
教科书、百科全书和挂图大概得过段时间才能更新新成立的国家。