论文对数据对象与关系数据库之间映射理论和持久化对象管理技术进行了研究和实现。
In this paper, it researches and realizes the mapping theory between the object and relational database, and manages the persistent objects.
产业组织理论是以企业之间竞争和垄断关系为主要研究对象的微观应用经济理论。
Industrial organization theory is one of the key applied microeconomic theories taking the relationship between competition and monopoly as the research object.
由于面向对象技术和关系数据理论基于不同的理论基础，使得二者在协同工作时出现不匹配。
Object-Oriented technology and relation data theory are based on different theories, which make them mismatch in teamwork.
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