略語大辞典 [Phys] 25 ESR electrical-substitution radiometer 電気置換型放射計. 電気置換ラジオメータ. 光パワー測定器の一次標準.electrical-substitution radiometer; used as a primary standard for the calibrationof radiometric instruments; ref. WRR(Radiation Reference scale) is based on a series of ESRs from around the world; [Phys:L:Opt]. 丸善「略語大辞典」JLogosID : 11874122