| English | Chinese |
| Data about the database structure is called metadata and can be retrieved by a number of different methods | 与数据库结构有关的数据称为元数据、 元数据可以通过多种不同方法检索 |
| However, this might be simplified if there was a language already represented with a simple data structure | 然而、如果有一种语言已经使用一个简单的数据结构表示、那么这种情况就可以简化了 |
| OSI/RM classify the structure of the network into application layer, presentation layer, session layer, transport layer, network layer, data link layer and physical layer | OSI/RM 将计算机网络体系结构划分为应用层、表示层、会话层、传输层、网络层、数据链路层和物理层七个层次 |
| When data has a relational structure, data access, storage, and scalability are very efficient, but -writing efficient and maintainable code becomes more difficult | 当数据具有关系结构时、在数据访问、存储和可扩展性方面会非常高效、但编写高效的、可维护的代码则变得非常困难 |