释义 |
透镜 tòu jìng ★★☆☆☆n.名词⁰·⁰⁰³³ᴾᵃ³⁸⁶⁷ 基本例句 lenscrown lensoptical lensglasslens spectrometer繁体透鏡聚光器用于聚光并将光引向某物体或通过一凸透镜组的镜子、透镜或透镜组A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens. 色差由于光学器件如透镜的物理缺陷而造成的不完美成象An imperfect image caused by a physical defect in an optical element, as in a lens. 他用一面凸透镜把阳光在纸上聚成焦点。He focused the sun's ray on a piece of paper with a burning-glass. 这个透镜能放大20倍。This lens can magnify 20 diameter. |