NCR两款扫描产品独有的NCR光学效果技术(Optical Effects Technology)，使扫描仪产生的扫描线比目前市场上同类竞争产品都要密集，并且比以往扫描线的长度更长、角度更多。
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在大学物理光学实验教学中如何利用多媒体技术进行辅助教学，从而达到提高教学效果和实验效果的目的。
The paper has focused on how to apply the multimedia CAI into the experiment teaching in the college optics, and to reach the purposes of improve teaching efficiency and experiment aims.
采用光学级PM MA二次配光技术，可根据需求调整发光角度、聚光效果及颜色搭配。
It USES optical PMMA secondary light distribution technology. Viewing Angle, light-gathering effects and color matching all can be adjusted according to demands.
文中采用了三次多项式校正技术，该技术不仅可校正光学镜头的几何畸变，对透视和倾斜所产生的畸变都有较好的校正效果。
The paper adopted cubic multinomial rectification technology which not only can correct optical lens's distortion but also has good rectification results for perspective and incline distortion.
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