PFD

PFD

救命胴衣 (personal flotation device)
位相周波数検出器 (phase frequency detector)
 (primary flight display)
 (process flow diagram)
Professional Disc
 (PFD allowance; personal needs, fatigue, and unavoidable delays allowance)
部分分数分解 (partial fraction decomposition)
 (perfluorodecalin)