| 释义 |
optical glass 光学玻璃 以上来源于：《21世纪大英汉词典》 optical glassn.【光】光学玻璃See alsooptical crown optical flint详细释义源自:《新世纪英汉大词典》Collins外研社 n.光学玻璃；参见：optical crown;optical flint【光学】英英释义n.clear homogeneous glass of known refractive index; used to make lensesoptical gla |