数据管理部分 meaning in English

data management portion

Object - oriented technology ( oot ) is applied to analysis and design of this system . a great of efforts have been made to define objects , classes and their relationships , divide subjects and describe functions . the design work is proceeded from three aspects : problem domain , human interface and data management
为提高系统的适应性和灵活性，采用面向对象技术进行系统分析与设计：定义了系统中的对象及其相互关系、进行了主题划分和功能描述等工作，绘制了完整的ooa阶段的类图，并对问题域部分、人机界面部分、数据管理部分进行了详细设计工作。