灯光变暗，幻灯背景片消失，一束追光投在一男子身，他身着军装，头戴贝雷帽。
The lights go to black and SLIDES FADE OUT . A spot falls on one man who is in a legion suit and beret.
主要可用于吊挂音响、背景、耳光、面光、追光等，同时还可以用于流动性工作平台。
It main be used as lifting audio light and advertisement picture, it also can be used as a running work platform.
本文提出一种方便应用于球面晶体光学元件的光路追迹计算方法。
A new method that can be conveniently applied to the ray tracing calculation for monoaxial optical components with spherical surfaces is presented.
介绍了红外光机扫描器的基本原理和概念，以及扫描器设计中的光路追迹问题。
This paper explains the basic conception of IR scanner, and the difficult problem of optical design because of the dynamic ray tracing.
采用光线追迹法模拟计算出单个二极管在不同抽运参数下直接抽运激光棒时，激光棒所吸收的抽运光功率的分布。
The pump power distribution in the single diode directly pumped laser rod with different pumped parameters is simulated using the method of ray trace.
以结构光条纹相位为信息载体，采用相移技术精确地测量结构光条纹成像过程中相位的变化，实现高分辨的光线追迹，得到点列图。
The phase changes in the imaging process can be tested accurately by the phase-shifting technique and then used for ray tracing to get the spot diagram.
通过光线追迹ICF(惯性约束聚变)驱动器的靶场光路，建立靶场角漂的修正模型。
A correction model for Angle drift in target area is established through ray-tracing target area light path of ICF (Inertial Confinement Fusion) driver.
方法采用以几何光学反射定律和折射定律为基础的光路追迹计算方法。
Methods Ray tracing of geometric optics based on the reflection and refraction laws.
方法采用以几何光学反射定律和折射定律为基础的光路追迹计算方法。
Methods Ray tracing of geometric optics based on the reflection and refraction laws.
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