aperture

UK:  ['æpə(r)tʃə(r)]

US:  ['æpərtʃər]

复数：apertures  

n.

1.(照相机的)光圈;孔径,口径

2.孔径;口子

3.孔隙

4.孔,隙缝

5.〔计〕小孔,窗孔

6.洞,洞口

7.壳口

8.缝隙

9.窍

10.泉眼

1 . Don't hand-hold a lens at a slow shutter speed and a wide aperture and then worry about whether the lenses sharp or not.
不要在慢速快门和大光圈时手持相机，然后再去担心镜头的锐度。

2 . The reflectivity measurement system makes it very easy to measure reflectivity distribution on large aperture components.
该系统的使用大大简化了元件表面反射率分布的测量。

3 . The snail's eye, a more sophisticated version of that of the nautilus mollusk, works rather like the aperture of a pinhole camera.
是一种比鹦鹉螺类软体动物更复杂的眼睛，工作原理像是针孔相机。

4 . If the endometrium polyp is not prompt excises, easy to block the oviduct aperture, the disturbance fertilized egg bed and the growth.
子宫内膜息肉如果不及时切除，容易阻塞输卵管开口，干扰受精卵着床和发育。

5 . Synthetic Aperture Radar Observations of the Surface Signatures of Cold- Season Bands over the Great Lakes .
大湖上空冷季带地面信号的合成孔径雷达观测。