文章在概述智能网特点和功能分布的基础上，阐述了智能网业务数据功能实体的结构及实施方案。
On the basis of introducing features and function distribution of IN, this article describes the structure of IN SDF and realizable plan.
在面向对象的方式中，每个业务对象都有一组与其关联的方法(BAPI)，以便操作业务对象中的数据，并使用该数据实现业务功能。
In an object-oriented fashion, each business object has a set of methods (BAPIs) associated with it to manipulate the data in the business object and carry out business functions using that data.
业务组件需要读取和操作这些数据，以执行其业务功能。
Business components need to read and manipulate that data to perform their business functions.
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