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| 数据词典 | |||
| ★ 数据字典 | |||
| 英语 词库 | |||
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| DD; DD (SA, CASE, DB) | |||
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| A database that contains the name, type, range of values, source and authorization for access for each data element in a database. It also indicates which application programs use those data so that when a data structure is contemplated, a list of the affected programs can be generated (May be a stand-alone information system used for management or documentation purposes, or it may control the operation of a database) | |||
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Data Dictionary : 34 短语, 9 学科 |
| 信息技术 | 10 |
| 地球物理学 | 1 |
| 地球科学 | 1 |
| 技术 | 1 |
| 电信 | 2 |
| 电子产品 | 10 |
| 空间 | 2 |
| 航空 | 6 |
| 计算机网络 | 1 |