52古典>英语词典>aperture翻译和用法

aperture

英 [ˈæpətʃə(r)]

美 [ˈæpərtʃʊr]

n.  小孔; 缝隙; (尤指摄影机等的光圈)孔径

复数:apertures 

TOEFLGRETEM4TEM8计算机

Collins.1 / BNC.15655 / COCA.12567

牛津词典

    noun

    • 小孔;缝隙
      a small opening in sth
      1. (尤指摄影机等的光圈)孔径
        an opening that allows light to reach a lens , especially in cameras
        1. For flash photography, set the aperture at f.5.6.
          用闪光照相,要把光圈孔径定为5.6。

      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。

      英英释义

      noun

      • an man-made opening
        1. a device that controls amount of light admitted
          1. a natural opening in something

            双语例句

            • These ions pass through a slit of variable aperture and then enter the magnetic field analyzer.
              这些离子通过可变宽度的狭缝进入磁场分析器。
            • In this paper, aperture synthesis theory is proposed to be used in passive millimeter-wave terminal guidance.
              本文将综合孔径理论应用于被动毫米波末制导技术,并研究了天线阵列的排布方式。
            • At first, the principle of synthetic aperture focusing technique for ultrasonic imaging is introduced in this paper.
              本文首先介绍了合成孔径聚焦超声成像的基本原理。
            • For a cylindrical fold, the average aperture and fracture permeability related can be estimated.
              对于圆柱状褶皱可以估算与褶皱有关的裂缝孔隙度和渗透率。
            • I do not set the aperture right so they are overexposed. yes?
              我没有对好光圈,结果曝光过度了,对吗?
            • The feasibility of making two antennas work with a shared aperture on a platform is investigated.
              该文对载体平台上双天线共口径的可行性进行了研究,口径为带介质罩的深腔。
            • A design of two wideband antennas sharing one aperture is proposed.
              给出了一种两宽带天线共用一个口径的设计。
            • This issue presents a kind of fully digital array radar& synthetic impulse and aperture radar.
              介绍一种全数字阵列雷达&综合脉冲孔径雷达,雷达采用收发全数字波束形成。
            • And then it introduces synthetic aperture radar system model, the original echo of the simulation methods and R-D imaging algorithm.
              然后建立了合成孔径雷达的系统模型,介绍了原始回波的模拟方法和R-D成像算法。
            • Improving texture and preserving edge is the important target of synthetic aperture radar ( SAR) image fusion.
              提高纹理清晰度、保护边缘信息是合成孔径雷达(SAR)图像融合的重要目标。