音标与读法

这里为大家介绍下concave lens 是什么意思，希望能帮助到各位朋友。

中英文翻译

凹透镜。

concave:adj. 凹的，凹面的 (opp. convex)。 n ...lens:n. (pl. lenses) 1.透镜；一组透镜。 2 ...a lens such that a parallel beam of light passing through it is caused to diverge or spread out

同义词：diverging lens,

例句与用法

1.Just as a double convex lens enlarges , so a double concave lens reduces

正象双凸透镜可以放大那样，双凹透镜也可以缩小。

2.Some are flared ? that is , thicker at the rim than in the center , like a concave lens

有些呈喇叭形即边缘较中心厚，类似凹透镜。

3.We fabricated a large computer - generated holography on a concave lens surface to test the convex secondary mirrors surface

在凹透镜表面上制作出了用于凸非球面检测的曲面全息图。

4.We demonstrate experimentally the technique to fabricate large does in the thick film on a concave lens ( mirrors ) surface with precise alignment by using the strategy of exposure twice

采用两次曝光的方法在凹透镜表面上厚光刻胶中制作衍射光学元件。

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