three-lens

In the theory I analyzed quasi-three-level transition rate equation of Nd3+, energy-transfer upconversion effect and thermal lens effect, additionally the performances of single devices were studied.

理论上分析了Nd：YAG准三能级速率方程、能量传递上转换（ETU）效应、热透镜效应并对单元器件的性能进行了分析。

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A three-lens polarizing CCD camera is presented in brief.

简要介绍了三镜头偏振CCD相机。

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Apple announced the iPhone 11 Pro, which is being touted as "the most advanced and detailed iPhone yet," with a three-lens "pro" camera system, more energy efficiency and spatial audio sound.

苹果发布的iPhone11Pro被标榜为“目前最先进、最精细的iPhone”，这款手机配备了三个摄像头的专业级摄像功能，能耗更低，音效更好。

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Apochromatic lens: Compound lens corrected for chromatic aberration, i.e. the three primary colours, red, green and blue are corrected. Also called Apochromat.

电视信号彩色校正器复消色差透镜：矫正色差的复合式透镜：即是红、绿和蓝三原色的色差都已矫正。

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A Telescope Objective System Consisting of Three& lens Clusters

三组透镜组成的望远镜物镜系统

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Generally speaking, thermal lens effect is determined by three elements: 1. The temperature dependence of refractive index. The change of temperature can directly change the refractive index distribution.

一般来说，热透镜效应主要由以下因素决定：1.介质折射率对温度的依赖性，温度分布的改变直接导致介质折射率的变化。

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Be equipped with speed guide-rail, three axes drive, imported lens to make the equipment more stable.

进口高速导轨,三相电机, 三相驱动器, 进口镜片,使设备运行更加稳定.

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The major distortion error of fisheye lens is divided into three categories: radial distortion, eccentric distortion and thin prism distortion.

鱼眼镜头主要的畸变误差分为三类：径向畸变、偏心畸变和薄棱镜畸变。

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Next day his eye lens opacity was fixed and was discharged after three days.

第二天,他的晶状体混浊就得到了医治,并在三天后出院.

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Three-Dimensional Temperature Distribution Analysis and Thermal Lens Effect Calculation for High Power Laser Windows

高功率激光器窗口三维温度场分析及其热透镜研究

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