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| 基本数据; 基本参数 | |||
| 主数据 | |||
| 不常变数据 | |||
| 主要数据 | |||
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master data : 41 phrases in 14 subjects |
| Aviation | 8 |
| Business | 1 |
| Computers | 1 |
| Earth sciences | 4 |
| Electronics | 13 |
| General | 1 |
| Geophysics | 1 |
| Information technology | 2 |
| Mathematics | 1 |
| Navigation | 1 |
| Oil processing plants | 1 |
| Space | 3 |
| Technology | 2 |
| Telecommunications | 2 |