apertures

英 [ˈæpətjʊəz]

美 [ˈæpərtʃərz]

n.  小孔; 缝隙; (尤指摄影机等的光圈)孔径
aperture的复数

柯林斯词典

• N-COUNT 孔；缝隙；缺口
  Anapertureis a narrow hole or gap.
  1. Through the aperture he could see daylight.
     透过缝隙，他能看见日光。
• N-COUNT （照相机的）光圈，孔径
  In photography, theapertureof a camera is the size of the hole through which light passes to reach the film.
  1. Use a small aperture and position the camera carefully...
     用小光圈，仔细调整相机位置。
  2. The camera has a 32mm lens with a maximum aperture of f/4.5 and a fixed shutter speed of 1/100sec.
     这架相机有一个32毫米的镜头，最大孔径为f/4.5，固定快门速度为1/100秒。

双语例句

• Based on the analysis of the influence of working threshold on earth stations which are equipped with antennas of different apertures, a new design method of working threshold is proposed.
  通过分析工作门限对不同天线口径地球站的影响，给出了一种新的工作门限设计方法。
• Study on Coupling of Ultra Wideband Microwave Pulses into Apertures and Connecting Slot
  超宽带脉冲对腔体孔缝及连接的耦合效应研究
• Impact of Conductor Penetrating Shielding Box via Apertures on Inside Circuit of Control System
  控制系统中导线贯通屏蔽箱体对内部电路的影响
• Completely seal remaining apertures with non-combustible building materials;
  采用不可燃建筑材料完全密封其余的孔；
• Smaller f-stops have larger apertures, which means a larger hole size.
  越小的f值对应越大的光圈，也就是通孔的洞越大。
• For a wafer bumping stencil, the cutting technology must be capable of producing thousands of small, closely spaced apertures to extremely tight dimensional and positional tolerances.
  对于晶片凸起钢网，切割技术应能够生产尺寸和位置要求极其严的好几千小而密的孔。
• Numerical Analysis of the Electromagnetic Pulse Coupling through Apertures Using Fourier Series
  膜孔耦合截止衰减器基于Fourier级数的电磁脉冲孔耦合数值分析
• It is shown that, the use of serrated apertures can suppress the high frequency diffraction of axial intensity and reduce the nonuniformity of transversal intensity distributions.
  结果表明，齿形光阑能有效抑制光强的高频衍射，并降低横向光强分布的不均匀性。
• I'll also be using wide-ish apertures.
  我还会想到使用比较大的光圈。
• A pressure cooker explosion protection safety bulkhead is evenly provided with more than a thousand apertures and also a handhold in the middle.
  一种压力锅防爆安全隔板，在隔板上均匀分布有千个以上小孔，中部有拉手。