Scanning in a first direction is longitudinally through an aperture (55) in a vacuum chamber wall.
在第一方向上的扫描是纵向穿过在真空室壁上开口（55）。
A large aperture laser beam scanning method by combining microlens arrays with rotating mirror is put forward.
提出微透镜阵列与转镜相结合的大口径激光光束扫描方法。
Objective: To study the scanning electron microscopic (SEM) characteristics of floor between lateral recess and lateral aperture of the fourth ventricle in the mice with vascular dementia (VD).
目的：观察血管性痴呆（VD）小鼠第四脑室外侧隐窝与外侧孔之间室管膜游离面扫描电镜特征。
It also can be used as a radiation aperture to realize the beam scanning or change of polarization by means of changing the direction and strength of.
也可用作辐射口径，通过改变磁化场方向和强度实现波束扫描或极化变化。
For large aperture lens, scanning method was developed to measure the focal length in different locations within the mirror.
针对被测镜大口径的问题，采用了扫描的方法，这样可以测量被测镜不同位置的焦距。
Our film scanning service is capable to handle microfilm microfiche and aperture card .
我们的胶片扫描服务可处理缩微胶卷、缩微胶片和开窗卡。
A laser scanning confocal microscope that utilizes a single-mode optical fiber as both the source and the datection aperture is described.
本文探讨一种使用单模光纤同时作为点源与点探测器的激光共焦扫描显微系统。
On the basis of summing up conventional testing methods for aspheric surfaces , annular sub-aperture scanning method is applied to measurement of large-aperture aspheric surfaces.
总结非球面常用检验方法在应用中优、缺点的基础上，使用环形子孔径扫描法来测量大口径非球面。
Optimal stitching algorithm is extremely important for testing large-aperture aspherical optical elements by annular sub-aperture scanning technique.
优化的拼接算法是环形子孔径扫描测量大口径非球面光学元件的关键问题。
Optimal stitching algorithm is extremely important for testing large-aperture aspherical optical elements by annular sub-aperture scanning technique.
优化的拼接算法是环形子孔径扫描测量大口径非球面光学元件的关键问题。
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