hierarchical data
| description
| hierarchical data | |
| desert. | 分级数据 |
| description | |
| gen. | 说明 |
| interntl.trade. | 品种; 规格说明; 货物名称; 品种、规格说明; 项目; 详单 |
| space | 描述; 说明书 |
| tech. | 叙述 |
| |||
| 分级数据 | |||
| 层次［分级］数据 | |||
|
hierarchical data : 17 phrases in 7 subjects |
| Artificial intelligence | 1 |
| Desert science | 2 |
| Electronics | 3 |
| Information technology | 3 |
| Space | 4 |
| Technology | 2 |
| Telecommunications | 2 |