英语词汇“aperture”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

aperture

释义

aperture /apˈər-chər or -tūr/

noun

An opening
A hole
The diameter of the opening through which light passes in an optical instrument such as a camera
The effective area over which an antenna extracts power from an incident wave (radar and telecommunications)

ORIGIN: L apertura, from aperīre to open

aperture priority noun

A facility enabling a camera to select the shutter speed automatically once the aperture has been selected by the photographer

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