logical data structure

基本解释

CIM is an important tool in integration, which has defined the information sharing model. It is also soul of logical data structure.
公共信息模型CIM是电力企业应用集成的重要工具、是逻辑数据结构的灵魂、是可定义的信息交换模型。
It especially made the independence between data accessing structure and data logical structure possible in the database design process.
特别是在数据库设计过程中，实现使数据存储结构与数据逻辑结构的变化独立开来。
In order to keep the data independence from application program, the necessary local logical data structure can be self-defined in every individual application program.
为了实现数据对应用程序的独立性，应用程序自行定义所需要的局部逻辑数据结构。