subject-field
| reference code
| subject field abbr. | |
| work.fl. | 主题范围 |
| reference code abbr. | |
| IT од. | 参考码; 基准码 |
| |||
| 主题范围 | |||
| English thesaurus | |||
| |||
| SF | |||
|
subject-field : 3 phrases in 3 subjects |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Project management | 1 |