查询词典 upper beam

The presented concept of "beam-distance acoustic image" and "beam-depth acoustic image" provide torpedo near field control and guide characteristics.

提出目标近场波束-深度和波束-距离二维声图象的概念，为鱼雷末制导阶段提供了目标近场回声二维特征。

YM-tensioned anchor client 1, YM strand tensioned anchor client system includes: YM15 anchor (for §15.2,§15.7mm strand) YM13 anchor (for §12.7,§12.9mm Steel Stranded) BM15, BM13-type flat anchor YMZ15, YMZ13-ring anchors (applied to the structure of cyclic stress) 2, YML Series connectors include: single as used prestressing tendon lengthening, usually with in pre-tensioned law; porous as the next long prestressed beam, normally used in the continuous beam. 3, P-type anchorage system for P-type anchorage system includes extrusion anchor (from compression set and a triangle composed of copper wire extrusion spring), anchor anchor plate, spiral reinforcement, constraint circle bellows.

YM张拉端锚具1、YM钢绞线张拉端锚固体系包括：YM15锚具（适用于ф15.2、ф15.7mm钢绞线）YM13锚具（适用于ф12.7、ф12.9mm钢绞线）BM15、BM13型扁锚YMZ15 、YMZ13 型环锚2、YML型系列连接器包括：单孔作为接长预应力筋用，通常用于先张法中；多孔作为接长预应力束，通常用于连续梁中。3、P型锚固体系P型锚固体系包括挤压锚具（由挤压套和三角形铜丝挤压簧组成）、锚固锚板、螺旋筋、约束圈、波纹管。

The foundation frame is made of channel beam and angle iron welding, the basic dimension demand of the frame refer to figure 5/6,Channel beam's high isn't strict demand, may use 5 or

基础框架是由槽钢及角钢焊接组成的框架结构，框架的基本尺寸要求见图5/6，对槽钢的高度无硬性要求，可以选用5号或

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。

For every one of my New Year resolutions, I have been a backslider for years.

说到我的新年决心，我每年都做

With empathy and focus on a feeling level, we can all relate to the common ground of mutuality of emotions.

有了同情心和感觉上一级的重点，我们都可以涉及到相互的情感共同点。