| 释义 |
- Science, technology, and medicine
- Organizations
- Other uses
{{Distinguish|PDF (disambiguation)}}{{selfref|On Wikipedia, PfD may mean Pages for deletion}}{{wiktionary|PFD}}PFD may refer to: Science, technology, and medicine - Personal flotation device
- Phase frequency detectorin electronics
- Primary flight display, in an aircraft
- Probability of Failure on Demand, see Safety integrity level#Certification
- Process flow diagram, in process engineering
- Prepared for dyeing
- Professional Disc, recordable optical disc format
- PFD allowance in work systems
Organizations - Philadelphia Fire Department
- Pigespejdernes Fællesråd Danmark, Guiding federation of Denmark
- Peters, Fraser & Dunlop, an English literary and talent agency
Other uses - Permanent Fund Dividend of Alaska Permanent Fund
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