略語大辞典 [Opt] 25 ES enhanced silver (mirror) 改良銀反射鏡.enhanced silver (mirror); an optical reflector; reflects about 99.6%; ref. SSES(highest-reflectivity silver coating)mirror, with a 99.8% reflectivity; ref. Au(bare gold), Ag(bare silver), PS(protected silver), EG(enhanced gold), SES(super-enhan 丸善「略語大辞典」JLogosID : 11874004