略語大辞典 [Opt] 23 PDPA phase Doppler particle analyzer 位相ドップラー粒子分析器. レーザー光を用いたエアロゾル検出器.phase Doppler particle analyzer; an aerosol detector using laser light; measures aerosol particle sizes and the velocity; [Opt:L:Mes:Env]. 丸善「略語大辞典」JLogosID : 11855286