查询词典 sleeper beam

When the angle radius of the diffraction spot's the first dark ring is big, the effect is relatively small. But when the angle radius is small, especially for turbulent effects being weak, the effect on the beam spreading is very distinct, and the magnitude of the beam spreading is mainly dependent on the jitter item of the scaling relations.

由此定标关系可知，当系统衍射角σ0较大时，跟踪抖动对光束扩展的影响比较小；但是当系统衍射角σ0较小时，特别是在湍流效应较弱的情况下，抖动的影响非常显著，此时光束扩展主要是由系统抖动项所决定的。

the conditions of acquisition of minimum deviation is proved by means of rolle's theorem and the reversibility principle of beam path for triple prism, it is that the angle of incidence is equal to the angle of emergence for monochromatic incident beam.

利用数学中的罗尔中值定理及光路的可逆性原理证明了三棱镜获得最小偏向角的条件，即单色光线的入射角等于出射角。

The results show, when the prism wedge angle is 4°, the transmitted laser beam changes about 1 μrad as the prism rotates 1′; when the small angle deviation on one side of the minimum deviation angle of each prism is controlled, the scanning range of laser beam in the horizontal and vertical direction is not less than 500 μrad, and the scanning precision of the device is superior to 0.2 μrad.

结果表明：取棱镜棱角α为4°时，棱镜每旋转1′，透射光束变化约1 μrad；分别控制双棱镜在其最小偏向角一侧小角度偏转，可以实现光束在水平方向和垂直方向500 μrad范围内的精确扫描，装置的扫描精度可以达到0.2 μrad。

Results show that when the intensity of the self-pumping beam is increased from 70 to 300 W/μm, the refraction angle of the beam can be tuned about 10 degree.

结果发现，当光强变化230 W/μm时，两束光在空间上能被分开10°，选取较大的基本功率将有助于提高其光强分辨率。

In this paper, we investigate the light intensity-dependent superprism phenomenon in the two-dimensional Kerr nonlinear photonic crystal by nonlinear finite-difference time-domain technique. We show that when the intensity of the self-pumping beam is increased from 70 to 300 W/μm , the refraction angle of the beam can be tuned about 10 degree.

基于非线性时域有限差分法，我们模拟了克尔非线性光子晶体中的光敏超棱镜现象，结果发现，当光强变化230W/μm时，两束光在空间上能被分开10o，选取较大的基本功率将有助于提高其光强分辨率，。

Namely, bridge rigidity is described by using the transverse, vertical and twist angle of the bridge deck at the beam end, and the vertical change rate for the transverse, vertical and twist angle of the bridge deck at non-beam end under design load.

针对我国新建桥梁跨度和结构形式远远超出现有桥梁设计规范的适用条件，以及国内外桥梁刚度指标和取值存在较大差异，进行铁路桥梁刚度描述方法和预应力混凝土连续梁桥刚度的限值研究。

Correlation between spin angular momentum s and background angular momentums of planets;2. In the paper the principle of optical rotation due to the transfer of spin angular momentum from light to particles was discussed by analyzing the interaction between the beam of light and birefringent crystal particles, and then an optical tweezers was formed on nanometer optical tweezers system with a linearly polarized light beam (He-Ne laser 633 nm, 10 mW).

从理论上分析了偏振光束与双折射晶体粒子的相互作用过程，讨论了由于光束自旋角动量向晶体粒子的传递所导致的光致旋转效应的原理，并在纳米光镊装置上利用线偏振He Ne激光器(633 nm，10 mW)形成了光镊光阱，利用1/4波片来改变光镊光束的偏振状态，在不同的椭圆偏振状态下实现了直径约为几微米的CaCO3 晶体微粒的捕获和光致转动。

Applying the derived formula, I calculated and analyzed the evolution of polarization degree and intensity of partially polarized GSM beam both in dispersive and absorbing media and in anomalously dispersive media. The spectrum properties of partially polarized GSM beam in anomalously are also discussed.

利用导出的公式，计算分析了部分偏振GSM光束在色散吸收介质以及负色散介质中偏振度和光强的演化特性，同时也分析了它在负色散介质中的光谱特性。

To achieve a low stiffness beam in a micro plane, the planar spiral beam based on Archimedes' spiral is designed.

为了获得低刚度，设计了基于阿基米德螺旋线的平面螺旋梁结构。

To achieve a low stiffness beam in a micro plane,the planar spiral beam based on Archimedes′spiral is designed.

微开关由一个带触点的基座、一个惯性敏感单元以及框架和封盖组成。

His female bullfighter Lydia gradually Health love, but she was in a vegetative state after the Bulls Zhuangcheng away from her, just because Lydia's ex-boyfriend showed more affectionate than he is like love.

他对女斗牛士莉迪亚渐生爱意，却在她被公牛撞成植物人后离她而去，仅仅因为莉迪亚的前男友表现出好似比他更深情的爱。

I know of none which are not easy to answer, but what I am trying to do now is only by a series of hints to throw some light on the narrow path of legal doctrine, and upon two pitfalls which, as it seems to me, lie perilously near to it.

我不认为有什么难以回答的问题，但我现在要做的仅仅是通过一系列线索，来给法律理论的狭窄路径以及在我看来离它近得危险的两个陷阱提供一些启示。