The interface for defining the data structure is a mix between spreadsheets and databases.
用于定义数据结构的接口是电子表格与数据库的混合。
Databases also have some distinct advantages over normal software in the way they structure data.
相对于其它软件，数据库在数据的组织形式上具有优势。
These databases are hosted in research centers around the world, each with its own unique storage structure, access interface, and communication protocol.
这些数据库位于全世界的研究中心，每个数据库具有自己的独特存储结构、访问接口和通信协议。
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