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aperture
 aperture abbr.
bridg.constr. 空穴
hydroel.st. 小孔
hydroel.st. од. 孔径
met. 开口; 缝隙; 光圈; 主喷嘴
shoot. 觇式照门
| correlation function
 correlation function abbr.
busin. 关函数
math. од. 相关函数

to phrases

aperture

['æpəʧə] n
gen. 小,壁; ; ; 开,窗; ; 孔〔缝〕隙; 裂缝; 快〔准,照〕门; 孔径〔阑〕; 孔径开度; 孔径阑的直径; 膜片
agric. 光圈 (apertura)
anat. (腔或管的较大开口)
archit. 隙缝; 宽度
auto. 孔径常指光学镜头; 加油注入
avia. 开孔/口
bridg.constr. 空穴
chem.
compr. 孑L径
dril. 小眼
el. 开口 [度];
eng.geol. 孔径角; 泉眼; 孔眼; 张开度
expl. 缝隙不同形状的开口。特征化不同宽度节理的常用术语
fishery 螺类的壳口
geotech. 空口
hydroel.st. 孔径; 小孔; 开度; 孔口; 孔隙
jewl. 腹足类壳口
life.sc. 萌发孔
met. 开口; 缝隙; 光圈; 主喷嘴
ocean. 壳口
oil 快门
repr.biol. 孔径[口径]; 口孔
scient.
shoot. 觇式照门
sol.pow. 采光口
sport., med. ; ; 口径
survey. 又称有效孔径
tech. 球面镜口径; 孔洞; 门窗孔; 地震裂缝; 窗口; 窗孔; 壁孔; ; ; 壁口; 门窗口
telecom. 保留符屏蔽码中的字符
aperture computer memory ['æpəʧə] n
multimed. 孔径计算机内存
 English thesaurus
aperture ['æpəʧə] abbr.
abbr., oil ap; aper
cinema A measure of the width of the opening allowing light to enter a camera. The apparent diameter of a lens viewed from the position of the object against a diffusely illuminated background is called the "effect aperture". The ratio of focal length of a lens to its "effective aperture" for an object located at infinity is called the "relative aperture", or "f/number". Larger apertures allow more light to enter a camera, hence darker scenes can be recorded. Conversely, smaller apertures allow less light to enter, but have the advantage of creating a large depth of field. See also shutter speed.
aperture
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