查询词典 beam

In view of the stress characteristics different from these of linear beam,some effective measures can be taken to assure the design of reliable and economical curve beam bridge.

针对其不同于直线梁的受力特点，采用相应的有效措施，是可以设计出较为可靠且经济适用的曲线梁桥的。

A FEA method for composite beam bridge is presented by an example of a preflex beam with variable cross-section .

采用了一个变截面预弯梁的例子详细介绍了用有限元计算组合结构桥梁的方法。

Based on the character of the existing concrete beam bridge,an assessment model was established for the existing concrete beam bridge.

针对既有混凝土梁桥的特点，建立了混凝土梁桥的综合诊断评估模型。

In construction design, there is still no a reasonable uniform cost about the rigidity amplification coefficient of center beam and boundary beam.

在结构设计中，选择一个合理的中梁、边梁刚度放大系数和选择一个合理的梁端弯矩调幅系数一直没有得到一个统一的值。

In the high accuracy diffraction measurement of laser for a tiny wire,polarization direction of laser,laser beam property,and deviation of the beam center from the wire center have an effect on the measuring result.

在丝径的激光高精度衍射测量中，激光的偏振方向、光束的几何属性和光束中心对衍射体对称中心的偏离都会影响测量的结果。

It was found that the output correlation peak value decreased with the decrease of the waist radius of Gaussian beam and the increase of the interval between target image on input plane and the center of Gaussian beam.

得到了输出相关峰值随高斯光束腰斑半径减小和输入平面上目标图像位置偏离高斯光束中心距离的增加而减小的结果。

We have completed to position the beam in the magnetic center of a quadrupole using the high precision COD system and the beam based alignment system.

利用该高精度闭轨测量系统和基于束流准直系统完成了束流准直四极铁磁中心的测量，并和控制系统完成了储存环全环闭轨反馈校正试验。

The results showed that the output beam was Gaussian while the center of the envelope shifted, the shift magnitude was determined by angle errors and beam size.

研究表明：出射脉冲仍然是高斯型脉冲，但包络中心发生偏移，偏移量由角度偏差最和光束口径决定。

It is possible to trap transversely the double-layer spherical particle with absorption on the axis of the incident Gaussian beam and on a circle centered at the optical axis for different axial offsets of sphere center from the beam waist as well.

在一定条件下，带吸收的双层球形微粒可以被俘获在光轴上，也可能被俘获在中心在光轴上的圆环上。

By moving electron beam, we guide the deposition of a-C into the center of electron beam, so as to get the desired nanostrucures, such as nanowire, nanosopts, etc.

通过移动电子束，引导无定型碳不断地趋向束斑中心而沉积，从而生长出我们想要的纳米线、点等结构。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。