问题在于，遗留系统并不进行数据输入编辑和检验，因此不能确保应用程序中捕捉的数据与逻辑数据模型保持一致。
The problem was that the legacy systems did not have the data entry edits and validations to ensure that the data captured in the application was consistent with the logical data models.
ESB是一种逻辑体系结构组件，它提供与SOA的原则保持一致的集成基础架构。
The ESB is a logical architectural component that provides an integration infrastructure consistent with the principles of SOA.
数据服务通过跟逻辑数据模型保持一致，有效地将消费者和遗留值与属性进行了解偶。
Data services effectively decouple consumers from legacy values and attributes by aligning with the logical data models.
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