英:[ˈæpətʃə(r)]
美:[ˈæpətʃɚ]
英:[ˈæpətʃə(r)]
美:[ˈæpətʃɚ]
n.
孔,洞
(照相机,望远镜等的)光圈
孔径
隙缝
ap·er·ture
ae pr chr
复数:apertures
apertural (adj.), apertured (adj.)
noun
an opening or open space : hole
entered the cave through a narrow aperture
the opening in a photographic lens that admits the light
the diameter of the stop in an optical system that determines the diameter of the bundle of rays traversing the instrument
the diameter of the objective lens or mirror of a telescope
synthetic aperture合成孔径
numerical aperture数值孔径
aperture size孔径尺寸,筛孔
relative aperture相对孔径
aperture function孔径函数
lens aperture透镜孔径;透镜有效孔径;镜头光圈;镜头光圈刻度
aperture lens针孔(孔径)透镜;有孔电极透镜
antenna aperture天线孔径
aperture angle张角;孔径角
15世纪初(Chaulisc),“开口,孔洞,口腔”,源自拉丁语 apertura “开口”,源自 aperire “打开,揭开”的过去分词 apertus,源自 PIE 复合词 *ap-wer-yo-,由 *ap- “离开,远离”(见 apo-)和根 *wer-(4)“覆盖”组成。在光学中,“望远镜,显微镜等暴露部分的直径”,始于1660年代。
觇式照门
觇式瞄准
口,孔:另见apertura
窗孔
开在激光器防护罩或防护屏上的孔。
萌发孔
又称 :萌发孔(trema )
光圈
控制进入物镜光量的光栏装置。
孔径
孔径
孔径
又称“光圈”
Middle English, borrowed from Latin apertūra, from apertus, past participle of aperīre "to open" + -ūra -ure — more at aperient
The first known use of aperture was in the 15th century
aphisnoun
aphid
aphidnoun
any of numerous small soft-bodied insects that suck the juices of plants
aphelionnoun
the point in the orbit of a heavenly body (as a planet) that is farthest from the sun
apexnoun
the uppermost point : top
apex of a mountain
tip entry 4 sense 1
apex of the tongue
the highest point
at the apex of her career
ape1 of 2noun
monkey entry 1 sense 1especially: one of the larger tailless or short-tailed forms
any of two families of large primates including the chimpanzee, gorilla, orangutan, and gibbon
mimic entry 3 sense 1
a large uncouth person
ape2 of 2verb
to copy closely but often clumsily
aperturenoun
an opening or open space : hole
the opening in a camera lens that allows light through
the diameter of the opening in a camera lens
aperturenoun
an opening or open space
the diameter of the stop in an optical system that determines the diameter of the bundle of rays traversing the instrument
1 The aperture is 8 mm, is used to sharpen standard diameter of graphite pencil.
孔径为8毫米, 卷削标准直径石墨铅笔.
2 The bell looks like a giant funnel or aperture, into which we might sink our inexhaustible curiosity about this fleeting moment in time.
3 Check the shutter dial and aperture ring to make sure you have the correct exposure.
检查快门速度光圈以确保正确的曝光量.
4 Use a small aperture and position the camera carefully...
用小光圈,仔细调整相机位置。
5 For meals, boiled eggs and loaves of congealed food were slid through a thin aperture in the steel cell door.
6 Glass lifts and broad stairs lead up through apertures cut in the stones to the spectacular heart of the museum: a soaring, four-storey cast iron and timber structure surrounded by delicate and intricate galleries.
7 I can still picture her gripping the knife, her eyes fixed, focused, but where my father should be, there’s an aperture in my memory.
8 As you increase the shutter speed, you'll need to widen the aperture and vice versa.
让你增加快门速度的时候,你可能需要扩大孔径,反之亦然。
9 Actually, the mask and openings are not really necessary; the mirror alone could serve as aperture.
其实, 挡光板及其上的开孔都是不必要的; 单单反射镜本身就可以起小孔的作用.
10 As you move onto the more expensive zoom lenses, they maintain a constant aperture.
当你继续研究比较昂贵的变焦镜头时,你会发现它们有着恒定的光圈。
11 The choice of aperture is the choice of gas source match.
而孔径的选择是与气源的选择相匹配的.
12 Antheral introversion or extroversion, slit or aperture leave.
花药内向或外向, 纵裂或孔开.
13 Farber told the Independent: "The play will speak about sexual violence through the aperture of that one moment," adding: "This will be a call to arms."
14 Doppler parameters estimation from radar echoes is a step in SAR ( Synthetic Aperture Radar ) motion compensation.
从回波中估计多普勒参数是 合成孔径雷达 运动补偿的关键.
15 It was as though he’d been peering through a narrow lens and the aperture began to widen to take in the entire landscape in a kind of efflorescent illumination.
16 The Clifton, at 43 millimeters and with a black alligator strap, provides all the essential calendar information, including a moon phase display in a large aperture at 6 o’clock.
17 Taking control of the shutter and aperture isn't easy, but the rewards can be great.
同时控制快门和光圈并不简单,但却绝对值得。
18 Aperture sizes are expressed in "f-stops."
光圈的大小用“f”来代表。
19 The patients were in enclosed spaces with different size circular apertures open to the sky.
20 Migration though resolution cell ( MTRC ) of scatters often occurs in inverse synthetic aperture radar ( ISAR ) imaging.
逆合成孔径雷达 ( ISAR ) 转台成像中散射点越距离单元徙动 ( MTRC ) 时有发生.
2 口
stomatic actinal oral buccal adoral chops gab box mouth lip hatch mouthpiece orifice sluice stoma os ostium neb east and south
3 孔
hole vent perforation orifice ostium foramen fenestra notch cavity socket osculum oscular eye opening mouth punch bore sinking scab vulva thirl box port mesh hollow pore gouge porosity os introitus
6 隙缝
7 开口
lip vent orifice open open-end slap shedding placket porthole give unseal open head give tongue open face ringent rictal abroach opening hatch begin
9 孔径
12 窄孔