Circular aperture

• 圆孔

circular aperture的用法和样例：

例句

1. The description of a plane wave diffracted by a circular aperture is directly started from the Maxwell's equations.
   平面波经圆孔光阑衍射的表征是直接基于麦克斯韦方程组。
2. A circular opening in an opaque screen transmits only a small circular patch of a wave surface.
   不透明屏上一个圆孔仅仅透射波面的一小圆块。