Liquid crystals were chosen because their strong birefringence provides a simple way to observe their rotation around the laser beam axis.
选择液晶是因为它们强烈的双折射提供了一种简单的方法去观察它们绕着激光光轴的旋转。
The beam motion is divided into two parts: rigid rotation and flexible vibration.
假设梁的运动由刚性回转与柔性振动两部分组成。
Using a optical transmission system to make the laser beam to scan on the superconducting target with different radii rotation and to ablate it for depositing large area superconducting films.
这种方法是通过一光学变换传输系统使激光束能绕一定的半径旋转，旋转的激光束去扫描消融超导靶材来淀积大面积超导薄膜。
The multi-vortex beam with identical topological charge presents rotation, which can be suppressed by changing the sign of the topological charge alternately.
具有相同拓扑荷的多重涡旋光束表现出旋转现象，但交替改变拓扑荷的符号可以压制该旋转现象。
The rotation angle approximately periodically changes the sub-beam signal amplitude and should be strictly controlled in the assembly to maximize the tracking signal amplitude.
计算结果表明：旋转误差使三光束法循迹信号的幅值近似呈周期性变化，它是在生产过程中需要严格控制的参数以保证循迹信号的幅值最大化；
The Angle of rotation, which provides a measure of the current flowing in the coil, is measured by the movement of the needle or by the deflection of a Beam of light reflected from the mirror.
旋转角度可用来度量线圈内通过的电流，角度用指针的转动或镜面反射光线的偏转来测定。
This procedure accounted for torsion coupling and the bending rotation at beam-column junction.
该方法同时考虑了结构的扭转耦合及梁柱节点的弯曲转动。
This metallic hose is modeled as a super slender beam, with very large displacement and rotation.
金属软管被处理成一根作大位移大回转运动的极细挠性梁。
Through revising the equation of rotation-displacement, the revised factor of the line rigidity of beam with semi-rigid connections is derived.
通过对构件转角-位移方程的修正，推导了半刚接梁单元线刚度修正系数。
Ion beam etching (IBE) was applied to treat the as-polished surfaces of a CLBO crystal with varying in rotation speed of clamp, etching times and incidence angles.
本文研究了在不同作用时间、不同工件转速、不同入射角度等条件下离子束对CLBO晶体抛光表面的处理效果。
Then, based on the CR formulation, the internal force vector and tangent stiffness matrix of large rotation and small strain space bar and plane beam element are deduced.
其次，基于CR列式法推导出了大旋转小应变空间杆单元及平面梁单元的内力矢量及切线刚度矩阵；
The moment-rotation relation of beam-to-column semi-rigid connections was simulated with the three-parameter mechanical model.
采用已有的三参数力学模型模拟半刚性连接梁柱节点的弯矩-转角性能。
The moment-rotation relation of beam-to-column semi-rigid connections was simulated with the three-parameter mechanical model.
采用已有的三参数力学模型模拟半刚性连接梁柱节点的弯矩-转角性能。
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