laser 四级六级考研GMAT

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

报道了一台全光纤结构主振荡功率放大(MOPA)型掺镱脉冲光纤激光器。

(2) the mechanical excircle drum scanning laser imager.

2．板滞式边方滚筒扫描激平照排机。

Sophisticated laser experiments are performed regularly in the laboratory.

复杂激光实验定期在实验室举行。

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

目评价氩离子激光龈成形术用效果。

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

卫星激光通信是解决星间通信"瓶颈"最佳方法。

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

它装备了一部激光焊机、一部视频显示屏和一个圆锯。

It's more automatable and easier to repair shafts using laser overlaying welding technology.

数控编程等手段运用大大提高了工作效率 ,也降低了现场操作难度。

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

本文用激光散射及偏光显微镜等技术剖析了几种氟油聚集态结构。

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

分析了飞秒激光脉冲在大气中传输时光丝形成机理。

And traditional rotating mirror, bolographic refringence microscopic engage laser beam scanning in sencitivity on imamging.

和古板回旋扭转镜背不同，全息不直射镜也是让激平束扫描在感平质料上成像机构。

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

验证氦氖激光治疗结节囊肿性痤疮疗效。

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

目前制作硅基激光器方法主要分为两类，异质结外延生长和异质材料键合。

We keep a laser record.

我们保存激光唱片。

In this paper, the two-photon autoionization involving second-order ionization process under strong laser field is investigated.

本文研究了包括二阶离化过程强激光场下双光子自电离。

Visitors can observe the guard screen of the infrared laser through the night vision snooper scope.

它顶部是一个球型高压电极，在下部底箱内有一直流高压电源。

Success of laser sclerostomy could be increased and prolonged by subconjunctival injection of 5- FU postoperativly.

5-FU结膜下注射可延长激光巩膜造口术成功率。

Objective:To observe retinometer for potential visual acuity before YAG laser posterior capsulotomy.

探讨视网膜计在后发性白内障激光切除术后视力预测中作用。

Leica Geosystems AG, it's located Switzerland.Leica Geosystems to pioneer globality positioning and laser precision in Metrology.

徕卡测量系统有限公司是瑞士一家全球性定位与测量系统先驱。

In gasdynamics and chemical lasers, the supersonic diffuser plays an important role in the pressure recovery system.

在气动和化学强激光器系统研制中，压力恢复系统扩压器设计技术研究具有重要工程应用价值。

The actual surface temperature field during laser heat treatment has been measured by thermovision type AGA 782.

采用AGA—782热像仪实际测定钢激光热处理表面温度场。