An all-fiberized master oscillator power amplifier(MOPA) structured pulsed Yb fiber laser is reported.

报道了一台全纤结构主振荡功率放大(MOPA)型掺镱冲纤器。

The compact disc is a miracle of modern technology.

唱片是当代技术的奇迹。

The mechanism of filamentation formed by femtosecond pulse laser beam propagating in atmosphere is investigated.

分析了飞秒冲大气中传输时丝的形成机理。

It has a laser welder, a video display screen, and a buzzsaw.

它装备了一部焊机、一部视频显示屏和一个圆锯。

Sophisticated laser experiments are performed regularly in the laboratory.

复杂的实验定期实验室举行。

The morphologies of several polyfluoroethylene oils were studied by small angle laser light scattering.

本文用散射及偏显微镜等技术剖析了几种氟油的聚集态结构。

At present there exist two kinds of manufacturing met hods for silicon-based lasers,i.e.,heteroepitaxy and bonding.

目前制作硅基器的法主要分为两类，异质结外延生长和异质材料键合。

Antihydrogen formation in the laser-assisted positronium-antiproton collision is investigated in the first Born approximation.

一级玻恩近似下，研究了辅助的电子偶素-反质子碰撞中的反氢合成。

Laser Raman Microspectrometry(LRM) is an important non destructive method for analyse of fluid inclusions.

显微喇曼谱已经成为流体包裹体非破坏性分析的重要手段。

To verify the curative effect of He-Ne laser in the treatment of acne indurate cystica.

验证氦氖治疗结节囊肿性痤疮的疗效。

Objective To evaluate the treatment effect of gingivoplasty with Argon laser.

目的评价氩离子龈成形术临床使用效果。

Intersatellite laser communication is the best way to solve bottleneck intersatellite communication.

卫星通信是解决星间通信"瓶颈"的最法。

A system of verifying anemoscope in tobacco specific smoking machine was designal.The theory and component parts of this system was introduced and the method of velocity at a fixed point was modified.

本文简述了烟草专用吸烟机风速仪的检定装置———多普勒流速测速系统的组成及工作原理,介绍了定位点风速的测量修正法。

4. 34 cases were treated with photo-coagula- tion to seal the tear and 24 cases succeed (70.58%). 76 cases were treated with cryo-coagulation to seal the tear and 69 cases succeed(90.78%).

气液交换后用封闭裂孔34例,其中24例治愈(70.58%),用巩膜外冷凝法76例,其中69例治愈(90.78%)。

The gain characteristics of the collective free electron laser operating in a superradiant amplifier have been studied through the variation of the interaction length and pumping magnetic field.

工作超辐射模式下的集体区自由电子器的增益特性研究可以通过改变互作用区长度及泵浦强度来进行。

Some theories related to particle scatterance and the structure as well as the fundamental principle of the facilities for testing laser signal from multiple angles have been introduced.

介绍了粒子散射相关理论以及粒子信号多角度检测装置的构成与基本原理,并详细描述了对烟与干扰气溶胶粒子的多角度散射特征进行采集、处理和分析的过程。

A new type of digital phasometer applied to the infrared laser position-tracking system of mine hoister is introduced in the paper,which is based on FPGA and FFT algorithm.

主要介绍了矿井提升机红外位置跟踪系统中一种新型数字鉴相器的研究法,该法是基于FPGA器件运用FFT算法完成的。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

测量船配备有C-和 S-波段的单冲跟踪雷达，测距经纬仪和跟踪系统，测速系统和舰载计算机去跟踪和控制宇宙飞船。

Ureterolithotomy is thy best way for upper segment ureteral calculi and ureterocystoscope with holmium is the hest way for middle or lower segment ureteral calculi when ESWL fails.

ESWL治疗失败后，输尿管上段结石首选输尿管切开取石术，输尿管下段结石首选输尿管镜下钬碎石术。

The crymotherapy, the acupuncture point bury the line, the needle long time, the laser, the micrite to rub the skin and so on to belong to the physiotherapy.

冷冻疗法、穴位埋线、针久、、微晶磨皮等都属于物理疗法。