| 词汇 | aperture |
| 释义 | aperture noun[ C ] uk /ˈæp.ə.tʃər/ us /ˈæp.ɚ.tʃɚ/ a small and often narrow opening, especially one that allows light into a camera小孔;隙缝;（尤指照相机的）孔径，光圈 Photography aerial photograph airbrush analogue backlight backlighting bokeh expose ghosting glossy golden hour grainy halation happy slapping pap photojournalist photoshoot pic picture PillCam projection You can also find related words, phrases, and synonyms in the topics: Holes, hollows and dips The man certainly did mean to tell him so, for he opened the door no more than a foot, and stood in that narrow aperture. There was a kind of portico or colonnade outside, and this obstructed even the little light that at the best could have found its way through the small apertures in the door. They consist essentially of a lamp in a reflector whose aperture is closed with a sheet or a lens of clear glass. They stole swiftly across the room and peered through the little apertures which lighted the place. This temple consisted of nine vaults, situated perpendicularly beneath each other, and communicating by apertures left in each vault. aperture | American Dictionaryaperture noun[ C ] us/ˈæp·ərˌtʃʊər, -tʃər/ a small and often narrow opening, esp. one that allows light into a camera Examples of apertureaperture If the layer of cool air is thin, then the interaction of the aperture wakes with the hot mean flow may be important. Computer-controlled motors help in individually moving the cameras, changing the focus, zoom, aperture, or tilting the stereo pair. With binocular vision grip aperture matched block-size and was not affected by its distance for both the patients and the control subjects. As a result, large apertures are required for excimer amplifiers to obtain output power high enough. Likewise, an enlarged aperture will raise the first formant and feature greater energy losses which disperse the acoustic resonant energy over a greater frequency range. It was there as metaphor, so that architectural openings could be likened to the sensory apertures of living beings. Using stomatal aperture-related traits to select for high yield potential in bread wheat. The aperture and focal length on the camera are set according to need. The dimensions of the object manipulated are larger than the width of the aperture; this fact does not allow an insertion purely horizontal. In one experiment, swimming through one aperture produced a mirror image and swimming through the other produced food. Exposure time and aperture were then set automatically by the camera. Implements varied in shape and size with alternative arrangements for the clay cylinder, the aperture and the mechanisms for forming and cutting the tiles. Measurement parameters were the total number and the vertical distribution of empty apertures. Each of the 1024 photodiode array elements had a sensitive detector aperture of 25 pm x 26 pm. The black square is the 4r4 mm2 aperture through which the spectrum was acquired. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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