DDFS
| Acronym | Definition |
|---|---|
| DDFS | Double Dynamic Focus System |
| DDFS | Direct Digital Frequency Synthesizer (aka Digital Direct-Frequency Synthesizer) |
| DDFS | Digital Document Filing System (software) |
| DDFS | Distant Disease-Free Survival |
| DDFS | Digital Direct-Frequency Synthesizer (aka Direct Digital Frequency Synthesizer) |