图书馆的书是按学科分类的。

The books in the library are classified according to subject.

第二部分解读已有学科分类，清理“农林经济管理”学科界定上的缺陷；

The authors raise doubts about the rationality of agro-forestry economics and management as it is in a wrong system of the classification.

内容提要：纷繁复杂的学科分类体系已经支解了私法的整合性研究，从而妨碍了对私法理论的抽象和私法文化的建立。

Abstract: The complicated division of study branches has destroyed synthetic study about private law and also obstructs establishment of private law culture and extension of private law theory.