略語大辞典 [Mes] 22 LDDM laser Doppler displacement meter レーザー ドップラー 変位計. 微小変位測定器.laser Doppler displacement meter; an instrument used for the precision measurement of displacement; ref. fringe-counting interferometer; [Mes:L:Opt]. 丸善「略語大辞典」JLogosID : 11880477