general purpose software
| engineering environment
| general purpose software | |
| space | 通用软件 |
| engineering environment | |
| eng.geol. | 工程环境 |
| |||
| 通用软件 | |||
|
general purpose software : 4 phrases in 3 subjects |
| Aviation | 1 |
| Information technology | 1 |
| Space | 2 |