猫眼光栏的方形光孔成象太大。
The quadratic aperture of the cat 's-eye diaphragm is imaged too large.
内置式显微光学系统及光栏，像质清晰。
Built-in optical system and adjustable iris diaphragm with clear image.
其特征在于分光系统由一个光栏和滤光片组成。
The spectroscope consists of diaphragm and light filter sheet.
通用的光栏，可以精确地调节狭缝的高度，以适应各种尺寸样品的测试。
Allows precise adjustment of beam height to match samples of different dimensions.
提出了制作透镜电极时保持轴对称、特别是限制光栏必须位于透镜光轴上的必要性。
The necessity of the lens electrode coaxality especially the coaxality of the aperture with lens axis is emphasized.
这种设备可以替代现有的多叶光栏和其它类别的准直器，使适形放疗更加易于实现。
It is able not only to replace many existing collimators such as MLC, but also to make the conformal radiotherapy easier.
分析结果证明，在适当扩大孔径光栏宽度后，在时间方向上的动态空间分辨率可提高15～20％。
The results show that the dynamic spatial resolution in time direction has been improved by 15-20% when the aperture stop width is properly enlarged.
通过与光束的空间传输特性类比解析了光栏宽度变化引起的脉宽变化以及脉冲轮廓出现时间衍射调制现象；
And a theoretical model is established to expound the variation of pulse duration and the modulation on the pulse envelope similar to the diffraction characteristics in spatial domain.
从光的衍射理论和几何成象理论出发，分析研究了显微物镜焦平面附近小孔光栏的衍射和象平面位置上的成象。
From the theory of light diffraction and geometrical optics, aperture diffraction near the focal plane of microscope objectives and imaging on the image plane are studied.
该仪器使用可变光栏黑体和反射式平行光管模拟不同大小、距离的目标，并创新性地采用激光测量的方法测量微小的绕动角。
The instrument USES an adjustable diaphragm blackbody radiator and a reflecting collimator to simulate objects with various size, range and radiation characters.
该仪器使用可变光栏黑体和反射式平行光管模拟不同大小、距离的目标，并创新性地采用激光测量的方法测量微小的绕动角。
The instrument USES an adjustable diaphragm blackbody radiator and a reflecting collimator to simulate objects with various size, range and radiation characters.
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