... Aperture size 筛孔尺寸，孔径尺寸 Aperture stop 隔膜，隔板，挡板；孔【径光】阑 Aperture surface 孔径表面 ...
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Surface and aperture meter 表面吸附仪
surface aperture 平面缝隙
large-aperture aspheric surface 大口径非球面
Phase Array Radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction.
相控阵雷达通过电的方式控制天线孔径面上各辐射单元的相位变化，以实现波束的快速扫描，使其具有灵活、变化快速、多功能等优点。
But the principle of focusing rays through an aperture onto a two-dimensional surface remains the same.
但其原理通过孔径聚焦光线在一个二维表面是保持不变的。
A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.
叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。
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