略語大辞典 [Opt] 21 DBS dual beam spectrometer デュアル ビーム分光器. 参照信号光も同時に並行して測定できる分光器.dual beam spectrometer; provides a reference channel to monitor the lamp intensity and emission spectrum on a measurement-by-measurement basis; [Opt:Phys:Chem]. 丸善「略語大辞典」JLogosID : 11871241