concave lens

concave lens什么意思,concave lens翻译

基本解释

na.: 凹透镜
网络: 凹球镜片；近视镜片；凹透镜片

英汉解释

• 近视镜片

• 凹面镜

• 凹透镜

例句

• The invention provides a method with a concave lens focus as a welding heat source and a welding device thereof.

  本发明提供一种以凸透镜焦点为焊接热源的方法及其焊接装置。

• 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。

• A concave lens causes rays to diverge as though they are coming from a focal point.

  发散透镜使光线分开，就好象从焦点上发出来的那样。

• Measuring the focal length of concave lens using collimator

  利用准直管法测凹透镜的焦距

• A Method for Measuring the Focal Length of Thin Concave Lens

  一种测量薄凹透镜焦距的新方法

• Simple Method of Measuring the Refractive Index and Radius of Curvature of Thin Convex-concave Lens

  测定薄凸凹透镜折射率和曲率半径的简单方法

• Effects of concave lens on eyes of guinea pig

  凹透镜对豚鼠眼生长及屈光发展的影响