single-aperture lens 单孔透镜

single aperture seal 单孔密封

single aperture diaphragm 单孔遮光板

single aperture experiment 单孔实验

single aperture 单孔径

single-aperture 单孔径

Single Annular Aperture 单圆环孔径

a single subwavelength aperture 亚波长孔径

Single Aperture Far-Infrared Observatory 单孔径远红外天文台