英德
有道
百度
谷歌
图片
维基
百科
负透镜 [fù tòu jìng]
concave lens
- 提出了一种测定正、负透镜折射率的简单方法。
In this paper, a simple method for measure the refractive index of the thin lenses is presented. - 本文介绍了液相液晶中强激光场引起的负透镜效应。
A negative lens effect induced by strong laser field in liquid phase of . liquid crystals is described. - 常规配置远距眼镜（负透镜），作用是拉近各种物体到看得清晰的范围。
Distance glasses (minus lenses) are routinely prescribed. These function by bringing everything closer, up within the range of clear vision.
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