| 单词 | 凸透镜 |
| 释义 | 文馨英漢☞凸透鏡凸透镜 tūtòujìngconvex lens凸透镜【理】convex lens凸透镜 tū tòu jìng burning glass; convex lens; convex glass; positive lens凸透镜[tū tòu jìng]透镜的一种，中央比四周厚，平行光线透过后，向轴线的方向折射聚集于一点上。物体放在焦点以内，由另一侧看去就得一个放大的虚像。远视眼镜的镜片就属于这个类型。convex lens; a kind of lens that is thicker at the centre than the edge, through which parallel light refracts in the direction of the axis and concentrates at one point, and which creates an enlarged virtual image of an object at the other side within its focus, used in spectacle lenses for long sight; 亦 also 会聚透镜 huìjù tòujìng；通称 generally called 放大镜 fàngdàjìng凸透镜n.sunglass(取)火镜，凸透镜凸透镜1. a convex lens; a convex凸透镜converging lens凸透镜convex glass凸透镜convex lens凸透镜toric lens凸透镜plus lens双向☞聚光透镜--凸透镜凸透镜[物]convex lens |
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