| |||
| 办公室支持系统 | |||
| English thesaurus | |||
| |||
| OSS | |||
|
Office Support System : 8 phrases in 4 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Information technology | 3 |
| Telecommunications | 1 |
| |||
| 办公室支持系统 | |||
| English thesaurus | |||
| |||
| OSS | |||
|
Office Support System : 8 phrases in 4 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Information technology | 3 |
| Telecommunications | 1 |