通过扫描头前方聚焦透镜的反射单元，调焦发生了变化。
The focusing is effected after the deflection unit via a focusing lens in front of the scanner head.
考虑到人工截断边界上波反射对计算结果的影响，分别用传递边界和半无限单元来处理侧面和底面边界。
In order to reduce the effect of wave reflecting on artificial boundary, transmitting boundary and semi-infinite element are respectively used to treat the lateral and underside boundaries.
研究成果表明，大陆地壳和上地幔的反射特征具有显著的差异，这些差异反映了不同的构造单元和状态。
The results indicate that the continental crust and upper mantle exhibit significant differences in reflection characteristics, which are related to tectonic units and regions.
概述了近年来用近垂直反射地震方法研究不同大地构造单元的地壳结构和深部构造问题所取得的基本成果。
The paper summarizes the basic achievement in studying the crustal structure and deep tectonics of different geotectonic unit by near normal seismic reflection in recent years.
每一个耳机单元的外侧是“百叶窗式背板系统”，用来保护单元并减少向振膜的声音反射。
The outside of each earpiece has a "Window Shade Grill System" that protects the driver and minimizes sound refraction coming back in against the diaphragm.
该天线可应用于宽频带单极化、双极化阵列天线单元或反射面天线馈源。
The antenna is applicable to the array antenna element with broadband single polarization and dual polarization or antenna feed source with reflecting surface.
采用有限单元法计算了反射镜坯体的热残余应力，通过对比验证了测试结果可靠性。
The thermal residual stress was calculated by the finite element method. Both testing and calculation data proved the reliability of testing data.
首先，对反射裂缝尖端应力场的奇异性进行了描述，建立了平面断裂问题应力强度因子的有限单元解。
Firstly, after depicting the singularity of stress field at the top of crack, the finite element method to calculate stress intensity factor of plain fracture problems is founded.
结果表明，与传统反射式显示单元相比，此结构具有高反射率、高对比度和低驱动电压等特性。
Compared with the conventional technology of reflective display, it shows high reflectivity, high contrast and low drive voltage.
基于展开镜结构工作原理，运用有限元方法分析了展开式反射镜单元的裸镜及其支撑方案。
Based on the deployable structure of a mirror and the operation principle, the finite element method was used to analyze the unit naked mirror and some different mirror support schemes.
其功能如以上反射镜系统的描述相似，通常也是安装于窗口，并且它产生的阴影，使其更像一个被放大了的百叶窗单元。
Their function resembles the mirror system described above. They are also normally located in the window and provide shade rather like one enlarged louver element.
根据镜质体反射率与深度关系等资料恢复了不同构造单元的剥蚀厚度。
It is recovery of denudation thickness of the different tectonic element on base of the relation between vitrinite reflectance and depth.
该方法基于反射面天线的结构分析，利用变形反射面单元的节点位移信息得到变形后的反射面的网格模型。
Based on the structural analysis of the reflector antenna, a mesh model of the distorted reflector is obtained through the node displacement of elements of the distorted reflector.
其次自己动手制作了天线单元和整体的实物模型，按照前面计算出的结果对天线网面施加预应力，得到成型后的实物索网反射面天线。
Secondly real models of the mesh unit and the whole mesh antenna are created, then shaping stress according calculation result is pressed on, finally the shaped mesh reflector antenna is obtained.
基于体单元对光线的发射、吸收、漫射、反射和散射基础上的体放射法，适用于复杂景物的生成和演示，在真实感图形演示中具有重要地位。
Based on the emission, absorption, diffusion, reflection and scatteration of light by a voxel, it is suitable for generating and rendering realistic images of complex scenes.
它建立在体单元对光线的发射、吸收、漫射、反射和散射的基础上，适用于复杂景物的生成和演示。
Based on the emission, absorption, diffusion, reflection and scatteration of light by a voxel, it is suitable for generating and rendering realistic images of complex scenes.
相邻的闪烁体单元之间留有间隙，在这些间隙中填充白色漫反射材料、光吸收体、和可塑聚合物的复合物。
Adjacent scintillator elements are separated by gaps filled with a composition of white diffuse reflective material, a light absorber, and a castable polymer.
控制器经聚焦单元驱动物镜，并且检测在当在聚焦方向上驱动物镜时得到的反射光信号中的波峰。
A controller drives the objective lens via a focusing unit, and detects peaks in the reflected light signal obtained when the objective lens is driven in a focusing direction.
利用古地温研究方法，对不同构造单元代表井热演化史进行了分析，结果表明松辽盆地石炭-二叠系烃源岩根据镜质体反射率-深度关系可以分为两段型和似线型两种。
The results showed that the relationship of vitrinite reflectance and depth of source rock of Carboniferous-Permian in Songliao Bain can be divided into two kinds:two stage and like line.
基于手性液晶的布拉格反射特性，设计了旋向相反的手性液晶所构成的红、绿、蓝三基色叠层级联结构，以达到增强单元反射率的目的。
Based on the Brag reflection of cholesteric liquid crystal, we designed a structure formed by opposite charities of cholesteric liquid crystal of red, green and blue to enhance the reflectivity.
对于室内覆盖无线接收系统，提出了一种新型的基于U型反射板的双频天线单元形式，采用厚的空气介质层以展宽带宽。
For the indoor wireless communication system, a new dual-band antenna with U-shaped reflector is designed. By increasing the thickness of the air medium, the wider frequency band is achieved.
摘要：松辽盆地北部石炭-二叠系镜质体反射率值普遍较高，普遍大于3.0%，不同构造单元石炭-二叠系镜质体反射率值差异较大。
Abstract: Vitrinite reflectance of the PermoCarboniferous in the north of Songliao Basin is generally high, usually more than 30%, and varies greatly in different tectonic units.
基于南北向菲涅耳反射镜场，该文从分析入射太阳光线与反射镜单元跟踪轴线之间的夹角出发，导出了反射光线到达接收器时在南北向偏离的距离（即端部损失）的计算公式。
Based on a north-south mirror field, the equation for estimating the end losses was derived from analyzing the angle between incident sunlight and the tacking axis of a reflecting mirror.
基于南北向菲涅耳反射镜场，该文从分析入射太阳光线与反射镜单元跟踪轴线之间的夹角出发，导出了反射光线到达接收器时在南北向偏离的距离（即端部损失）的计算公式。
Based on a north-south mirror field, the equation for estimating the end losses was derived from analyzing the angle between incident sunlight and the tacking axis of a reflecting mirror.
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