查询词典 Ld.

An a rmy of stags led by a lion wou ld be more formidable than one of lions led by a stag.

一只狮子率领的一群鹿，比一只鹿率领的一头狮子更难对付。

An analysis of frequency stability of LD stabilized to CH4 absorption lines at 1.6 μm .

基于1.6 μm甲烷气体吸收线的半导体激光器频率稳定性分析。

Although I'm an assistant engineer in China ,I think a person shou ld struggle in all his life ,not just satisfy with the present status.

尽管我现在已经是一个助理工程师，但我相信一个人应该不断奋斗，而不该满足于现状。

In the second chapter, the operating principle of solid-state laser is analyzed. Based on the model of four-level system and with the space-related rate equations, the space distribution of laser beam and pump beam, the threshold pump power, the output power, the slope efficiency, the input-output characteristic and the effect of space variables on the output character are studied. Also, the introcavity second harmonic generation theory is discussed.

第二章分析了固体激光器的工作原理，以四能级系统为模型，从与空间相关的速率方程出发，研究了泵浦激光和振荡激光的空间分布、阈值功率、输出功率与斜效率、LD端面泵浦固体激光器的输入输出特性及各空间变量对输出特性的影响，并讨论了腔内二次谐波产生理论。

The gap between the tube blank top tray and intermediate bed slider face influences the tube forming qualit...

本文介绍了LD-120五辊冷轧管机轧制的工作原理及其主要部件性能，架分析了管坯顶盘及活动托与中间床身滑轨工作面之间的间隙的影响因素及调整方法，并通过计算解决了间隙的调整量问题。

The simulation results indicate that adjusting pump power properly can control transient effect, and increasing modulation frequency can weaken cross modulation, and decreasing frequency chirp of LD or enhancing the input power of signals can improve intermodulation distortion.

仿真结果表明，调整泵浦功率值可抑制瞬态效应，提高调制频率可使串话减弱，减小激光器的频率啁啾或增大EDFA的输入光功率都可改善IM2。

The crystal defect was observed and analyzed. Room temperature Nd:NYW crystal samples sized 3x3x5mm and 5x5x5mm were LD pumped at 808nm plane-concave cavity and double-concave cavity laser systems respectively, 1060-1064nm has been demonstrated.

室温下，分别用平一凹腔系统对尺寸为3×3×5mm的Nd：NYW激光晶体，用双凹腔系统对尺寸为5×5×5mm的Nd：NYW的激光晶体进行连续激光输出实验。

Temperature of the indoor air and the internal surface of the enclosure wall more stable, cou ld improve the indoor

性能的监测，对其外保温墙体保温应用效果进行分析，说明该复合墙体的热工性能能够使住宅室内气温与墙

The contents of ascorbate and MDA gradually increased as the AsA POD activities.

推测在LD处理下AsA POD活性下降与幼穗发育受阻有某些内在的联系。

Under the incubation conditions such as salinity of 32, temperature of 16℃ and light intensity of 6 000 lx (photonperiod of 12 h︰12 h LD), the first spore division occurred 22 hours after attachment, and further cell divisions formed a multicellular disk after 6 days. The disk which developed most quickly began to germinate burgeons after 80 days.

在水温16℃，海水盐度32，光照强度6 000 lx（光照周期为12 h︰12 h）条件下，鹿角海萝孢子附着后约22 h进行第一次细胞分裂，经过多次分裂，6 d后形成初期盘状体，发育最快的盘状体80 d后长出芽体。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。