略語大辞典 [Opt] 28 OLTS optical loss test set (光ファイバーの)光学的損失試験装置.optical loss test set; equipment in whicha light source and a power meter are combined to measure attenuation orloss of an optical fiber; [Opt:L:C]. 丸善「略語大辞典」JLogosID : 11863904