查询词典 laser disk

Laser engraving machine is divided into large format laser and laser engraving two-CD series of products.

激光雕刻机分为激光雕刻和大幅面激光裁床两大系列的产品。

In the research of laser countermeasure technology, laser beam drift is the inherent character of laser weapon system.

摘要在激光对抗技术研究中，激光光束的漂移是激光武器系统的固有特性。

Laser printers by laser, acousto-optic modulator, high-frequency drivers, scanners, desynchronizers and acoustooptic, etc., it is to interface circuits for the binary lattice information modulation in laser beam, scan-to-peripherin-seadweed.

激平打印机是由激平器、声平调制器、高频驱动、扫描器、同步器及平偏转器等构不败，其功用是把接口电路送来的二进制不面阵陈闻调制在激平束上，之后扫描到感平体上。

A simultaneous dual-wavelength continuous wave, quasi-cw or linearly polarized wave diode-end-pumped Nd:YAG laser operating at 1319nm and 1338nm is demonstrated. To the best of our knowledge, our experimental results achieve the highest level in the domestic domain. The simultaneous dual-wavelength laser provides an experimental basis for generating highly coherent THz wave radiation of 3.23THz by nonlinear optical difference frequency method.2. A diode-end-pumped Nd:YAG crystal, type-I critical phase matching LBO crystal intra-cavity frequency doubled, simultaneous multi-wavelength red laser at 659.5nm, 664nm and 669nm is firstly realized.

本论文主要围绕用于差频产生THz辐射源的多波长激光器及THz光子晶体的带隙特性分析而展开，论文的主要内容包括：一、从LD端面泵浦固体激光器的激光阈值公式出发，理论计算了腔镜对于两个波长的透过率关系，实现了LD端面泵浦Nd：YAG 1319nm/1338nm双波长激光连续、准连续及线偏振稳定输出。

The results prove that using the laser power P=1.7Kw, scanning velocity V=4mm/s, spot diameter D=3mm, cladding thickness T=0.6mm, 50%: 50% Ni60:Ni-Cr-Cr_3C_2 as laser cladding process can obtain the laser coating with lubricous tight surface, tiny dilution rate ,fining microstructure and higher micro hardness and fine metallurgical-bonding Interface.

试验结果最终证明，激光熔覆工艺参数对熔覆层的宏观形貌、微观组织及涂层性能有极大的影响，在激光熔覆工艺参数为功率P=7Kw，速度Vs=5mm/S光斑直径D=3mm，厚度T=0.6mm，50%；50%的Ni60；Ni-Cr-Cr_3C_2的条件下，所得到熔覆层表面光滑致密、组织细小均匀、稀释率小、硬度高且与基体实现了良好的冶金结合，证明这种方法是一种在提高热锻模寿命方面有前途的方法。

With an insulator mantling the crystal, when two cw CO2 laser beams heat it to form a 200℃volume with the shape of Gauss beam, CO2 laser beams are blocked and Ar+ laser beams are used to record a photorefrative hologram, finally fixed a hologram in crystal before the temperature descended to 100℃.

通过加载绝热体，利用连续激光加热晶体待固定区域局部范围至接近200℃，停止加热开始记录，至该区域温度降至100℃时，将固定一个体全息。

In this paper, the effects of thickness and flexibility of confining medium on laser shock strengthening and laser shock forming have been successfully investigated with different experimental method, and the relationship between the rigidity of confining medium and laser-induced shock wave was demonstrated.

用不同的实验方法研究了约束层的厚度和弹性与激光冲击强化效果和变形量的关系，进而说明约束层本身的刚性对激光诱导冲击波的影响。

Holmium laser is a highly effective,safe ,convenient and performance nonactive medical laser,It has vaporization,cutting and solidification multifarious function.Holmium laser deeply, with the urinary intracavitary technique can be used in the treatment of urinary diseases wider and wider.

钬激光是一种高效、安全、方便而性能稳定的医用激光，具有汽化、切割和凝固的多重特性，钬激光结合日渐成熟的泌尿腔内技术，其在泌尿外科的应用前景广阔。

Laser printer Figure 2-23 Laser printer A laser printer is a high-speed , high-quality nonimpact printer.

激光打印机是高速高质量非击打式打印机。

The invention also provides a method for producing the laser beam focusing integer type parabolic mirror formed in one piece using a rotary type high accuracy machine tool, with features of simple technique, increased capacity of reflector for proofing the high power laser beam and heat-sinking capability, and improved focusing quality of laser beam.

本发明还提供制造所述激光光束聚焦整型抛物面镜的方法，该方法利用回转型高精车机床一次成型加工，制造工艺简单，可提高反射镜耐高功率激光束的能力以及散热能力，改善激光束的聚焦质量。

Mr. Putin said there were signs of genocide against the Ossetian people.

普京说，有迹象表明对南奥塞梯人进行了种族清洗。

What I'm trying to say, Tristan is...

特瑞斯坦。我想说的是。