查询词典 reflection of light

Amazingly enough, a beam of electrons had thus been diffracted in a manner completely analogous to a light wave bouncing off a reflection grating

一束电子波衍射的方式，同光波从一个反射光栅上弹回的方式完全类似，这真是不可思议。

In recent years, the fiber grating external cavity semiconductor laser regarded as one of the candidate light sources of DWDM systems, has received considerable attention. Usually, it is thought that the lasing wavelength of a FGESL is locked at the Bragg reflection wavelength of fiber grating.

由于FGESL的激射波长主要由光纤光栅的布拉格波长确定，因此选择具有合适布拉格波长的FG就能使FGESL的激射波长处于预置波长处；同时，由于FG的布拉格波长受温度变化的影响相对较小(～0.01nm／℃)，因此FGESL与DFB-LD相比具有更高的温度稳定性。

Studies on basic working principles and designs of fiber lasersThe basic working principles as well as the major characteristics of laser and fiber lasers are firstly reviewed,including the interaction between light and matter, the laser oscillation conditions and the spectrum distribution,the gain characteristic and spatial hole burning effect,the influence of external environment on the stability of laser output and the actual limits of fiber laser bandwidth;The designs of bidirectional single-mode Er-doped fiber ring laser and multi-wavelength laser is then discussed,respectively;The characteristics of dynamic grating reflection spectrum of the fiber saturable absorber is systematically analyzed.?

在激光型光纤传感器的设计、实验现象的理论解释等方面做了如下的研究工作：光纤激光器的基本原理与设计方案概述了激光和光纤激光器的基本原理，包括光与物质的相互作用，激光振荡的条件及频谱分布等激光产生的基本原理：掺铒光纤的增益性质，空间烧孔效应和外界扰动对激光输出稳定性的影响，光纤激光器的实际极限带宽等光纤激光器的相关知识；分别讨论了双向单纵模环形腔激光器和多波长激光器的设计方案；系统地分析了掺杂光纤饱和吸收体中形成的动态光栅的反射谱特性。

This product is made of top grade of front lit scrim vinyl substrates, with water resistant coating,good block out property, high strength, excellent anti-breaking, no light reflection..

基材为外打灯灯箱布，遮光性好，表面涂防水涂层，抗拉力度强，耐曲折，无反光，色彩还原度好，图像解析度高，染料、颜料性墨水均可使用。

It is main to produce the self-defense machine in series in the brand of "WUWEI",electricity stick of police usage, parking card, triangle card, waterproof flashlight long range search-light, electricity whip, electricity stick, rubber stick, mace, handcuffs, shackles, the warning takes, controling to take, life jacket, reflection vest, defending to stab the vest ,bulletproof garment, shield, the machine of shooting net, the electric shock reports to the police the remote control guards against theft safe a pack, investigating box, transportation conductor's baton, the rope of police usage, whistle, roadblock(the machine of breaking the tire),appeal machine, belt outside and inside, bear arms to take, the work certificate of police usage, helmet, the instrument of night sees, extinguishing fire gun etc.

主要生产"无畏"牌系列自卫器、电警棍、停车牌、三角牌、防水手电、远程探照灯、电鞭、电棍、橡胶棒、金属狼琊棒、手铐、脚镣、警戒带、约束带、救生衣、反光背心、防刺背心、防弹衣、盾牌、射网器、电击报警遥控防盗安全箱包、勘察箱、交通指挥棒、警绳、警笛、路障、喊话器、内外腰带、武装带、警用工作证、头盔、夜视仪、灭火枪等共计数百余种产品。

The wonder rather is that we have done so well, that in the chaos of sensations and passions that fill the mind we have found any leisure for self-concentration and reflection, and have succeeded in gathering even a light harvest of experience from our distracted labours.

令人吃惊的倒是：充满我们心灵的是一堆杂乱无章的感觉和激情。然而我们却有闲暇各自集中整理进行反思，并且通过这些分散的劳动，竟能获得经验的丰收。

To semitransparent ceramics, grain size, pore and second phases make great influence to reflection and scattering behavior of the light.

中文摘要对於透光性陶瓷而言，晶粒尺寸、孔洞及第二相析出，会对光线的反射及散射行为有很大程度之影响。

Two basic types of phenomena take place at any point on a surface when a light ray strikes it: diffusion and specular reflection.

当一条光线发射到曲面上任意一点时会有两种基本的现象发生：漫反射和镜面反射。

The main difficulties of SPIV measuremnts in turbomachines such as the laser light reflection and the dispersion of tracer particles were properly resolved in the experiment, and the instantaneous velocity distributions of several cross sections in the blade tip region were successfully measured at the design and near stall conditions, respectively.

在压气机SPIV测量中，激光反光的控制和示踪粒子的均匀稳定散播是决定成败的关键因素。

To participate in exploration of the scenic spots, Zhu Shi-ping, deputy director of reflection, so that they were surprised that, in the down-hole not far from the bifurcation can be heard and can be used to light torch has been identified as swiftlet flying birds, this cave habitat Birds mountain is only in the Shennongjia mountains over 2,000 meters in order to find traces of caves, where indeed only about 1,000 meters above sea level, and did not find largest export, its where Entering puzzling.

参加探查的景区副主任朱诗平反映，令他们惊奇的是，在往下的岔洞不远处，能听到并能用手电光照到被认定为金丝燕的飞行鸟类，这种穴栖鸟类山往往只有在神农架2000米以上的高山岩洞才能发现踪迹，当地海拔确却只有约1000米，且并未发现大的出口，其从何而入令人费解。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。