kǒng​jìng

aperture

孔径 孔徑 kǒng​jìng
aperture
the size of an opening that allows light or particles to pass through; aperture in physics or optics
diameter of a hole
the width or diameter of a hole, bore, or mechanical part; also refers to the span of a bridge or culvert

Frequency

Movie subtitles
0.030 per million appears in 0% of films
Written text
0.856 per million

Sources