... auto-focusing lens 自动对焦镜头 main focusing lens 主聚焦透镜 focusing lens plate 自聚焦透镜板 ...
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main drain focusing lens 主聚焦透镜
The article touches upon the principle of displacement measuring system consisting of diode laser focusing lens, reflecting main scale grating, quarternary index scale grating photosensor.
系统由半导体激光器、聚焦镜头、反射式标尺光栅、四裂相指示光栅和光电接收元件组成。
In this paper, the specialized techniques of electron gun for large screen CPTs are discussed. The beam forming region, main lens, convergence lens system and dynamic focusing method are analyzed.
对近年来大屏幕彩色显像管电子枪专有技术进行了讨论,系统分析了电子束形成区、主透镜、会聚透镜系统及动态聚焦方式等。
Comparison of the focusing results of a hot atomic beam with a monochromatic cold atomic beam shows that the main factor affecting the imaging quality of the magnetic lens is chromatic aberration.
在比较了热原子束和单色冷原子束的会聚效果后得出结论:影响它成像的主要因素是色差。
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