查询词典 mirror reflection

Many models of teacher education have emerged in the reflective teacher and teacher education movement,of which the technical reflection model ,reflection -in and on -action model,deliberative reflection model,personalistic reflectio model and critical reflection model are the most representative ones.

在反思型教师与教师教育运动中，涌现出多种教师教育模式。其中技术性反思模式、行动中和行动后反思模式、缜密性反思模式、人格性反思模式和批判性反思模式最具代表性。

Teacher education ; technical reflection ; reflecon-in and on-action ; deliberative reflection ; personalistic reflection ; critical reflection

教师教育；技术性反思；行动中和行动后反思；人格性反思；缜密性反思；批判性反思

However, there are some problems about reflection which include the followings: inadequate reflection of the enthusiasm and initiative and lack of the supports from the school culture ; lack of the ability to reflect from the deeper level; the deviation of the understanding the meaning of reflection ; with mastering the less reflectional skills , not multi-angle, multi-channel reflection on the issues of education and teaching.

但也存在以下问题：反思的积极性和主动性不足，教师反思缺乏学校文化的支持；在思维习惯上，还不能从更深层次上进行反思；对反思的内涵理解存在着偏差；反思技能掌握较少，还不能多视角、多途径反思教育教学上的问题。

Based on basic theory of elastic wave propagation, wave equation forpropagation of elastic wave in 2 dimension vertical inhomogeneous mediumof similar concrete cutoff wall model is developed. 2 dimension elastic sheetof concrete cutoff wall is established to research law and energy distributionrelations between propagation, attenuation, reflection and transmission ofelastic wave in concrete cutoff wall; Based on the concept of resolution, thecontent of vertical reflection method used to inspect concrete cutoff wallresolution is raised and factors will have influences on resolution are analyzed,expression of defective layer composite reflection factor and detectabledefective layer maximum thickness are developed; Relations between allsteps of sampling system of vertical reflection are build, the influence ofcentrum characteristics and receiving sensor on testing results are analyzed,therefore parameter requirements for testing instrument and parameter selection principle of collected parameters are raised.

2从弹性波传播的基本理论研究出发，推导了弹性波在类似混凝土防渗墙模型的二维垂向不均匀介质中传播的波动方程式；建立了混凝土防渗墙二维弹性薄板模型，研究弹性波在混凝土防渗墙中的传播、衰减、反射、透射规律及能量分配关系；从分辨率的概念出发，提出了垂直反射法检测混凝土防渗墙分辨率的内涵，对影响分辨率的因素进行了分析，推导出了缺陷层复合反射系数、可检测缺陷层极限厚度的表达式；建立了垂直反射法采样系统各环节之间的关系，研究分析了震源特性、接收传感器对测试结果的影响，提出了对测试仪器参数的要求及采集参数的选择原则。

In its reflection over the reality, art comes as a mirror with a certain angle of reflection, and image and the depth of focus depending on the angle; the reflection is always accompanied with persistent blind spots which I would like to leave to my viewers.

艺术若反映现实，艺术便是一种镜效，它有呈现的角度，以及因角度而产生的观照和景深，它会有死角，有永远观照不到的空间，我把这个空间留给了观众。

Based on the law of reflection, using the rotation polygonal mirror and the second reflection mirror, the linear scanning of laser beam is realized by the novel scan system.

根据光线反射定律，提出了采用多面转镜和二次反射面相互配合来实现光束在屏上线性扫描的系统模型。

Intermediate image of three-mirror anastigmat having two image surfaces was between secondary and tertiary mirror. In order to fold the optical path, four-mirror anastigmat was designed by adding the spherical reflective mirror at intermediate image.

带一次中间像面的离轴三反系统的中间像位于次镜和三镜之间，为了进一步折叠光路，在中间像面处加入球面反射场镜，从而成为离轴四反。

The measuring device is structured by including a He-Ne laser; a beam expander, a soft aperture slot and a off-axis parabolic mirror to be measured are arranged in turn along the direction of the emergent laser beam direction of the He-Ne laser; a standard cross hair and a micro objective are arranged in turn on the direction of the reflected beam of the off-axis parabolic mirror; the micro objective is arranged on the focus of the off-axis parabolic mirror; the focus is imaged on an area array CCD; the output end of the area array CCD is connected with a computer; the off-axis parabolic mirror is fixed on a five-dimensional electric adjusting frame.

一种离轴抛物面镜点聚焦能力测定装置和测定方法，测定装置的构成包括：一台He-Ne激光器，沿该He-Ne激光出射激光束方向依次设置扩束器、软边光阑和待测的离轴抛物面镜，在该离轴抛物面镜的反射光束方向依次设置标准叉丝和显微物镜，该显微物镜位于所述的离轴抛物面镜的焦点，所述的焦点成像于面阵CCD上，该面阵CCD的输出端接计算机，所述的离轴抛物面镜固定在一五维电动调整架上。

The brand-new electric and manual adjustable big curved, wide vision rear mirror, right under view mirror, wide view mirror, front under view mirror increase vision areas and effectively eliminate blind area.The original cab windshield and window heater which has withstood severe test under temperature of minus 30℃ in Heihe, a freezing cold area of Northern China, defrosts quickly and provides good field of vision under all weather conditions for the drivers.The high luminous crystal patternless halogen headlamp features dual lamps illuminating functions. Equipped with steering auxiliary lamp, it effectively widens visual angle when the vehicle turns and ensures safety when driving during nighttime.

全新电动及手动调整的大曲面、大视野后视镜，右俯视镜、广角镜、前下视镜增加可视区域，有效消除盲区；独创的驾驶室风挡、车窗暖风，除霜快捷，经历中国高寒地区黑河零下30度的严峻考验，为驾驶员提供全天候良好的视野保障；水晶无花纹卤素大灯，亮度高，具有双灯点亮功能；豪华版匹配转向辅助照明灯，在车辆转弯时，能有效扩大视角，保障夜晚驾驶同样安全。

Then the propagation of an arbitrary nonideal optical beam is analyzed. In terms of the moment theorem, the performance of modes of BOR is analyzed from both points of view of geometry optics and diffractive optics. Comparing BOR with the resonators using plane mirror and spherical mirror or using plane mirror and aspherical mirror by finite element method, the design procedure for BOR is gave.

然后以衍射的角谱理论为基础，用矩量定理讨论了任意光束的传播规律，从几何光学和衍射光学的角度完整地分析了二元光学谐振腔的模式特征，用有限元方法数值对二元光学谐振腔、非球面腔和球面腔进行衍射分析，比较了三种腔型的差异，给出了二元光学谐振腔的设计方法。

Now he worked in ajoint venture.

现在他在一家合资企业工作。

More troops in Afghanistan won't change any of the foregoing.

更多的在阿富汗的军队也不会改变之前的状况。