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。
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。
应用推荐