With applications to a three-span continuous beam bridge, the comparative of some methods of mode shape expansion and updating is researched.
针对某三跨连续梁桥，对几种振型扩展与修正的方法进行了比较研究。
Trust force and bending moment result in heat expansion are calculated by adopting beam theory of mechanics of materials and applying force component analysis method.
采用材料力学的梁理论，应用力法分析方法，计算出热膨胀导致的推力和弯矩。
The beam expansion method is suited to approximate the weakly truncated beams in the far field.
光束模式展开法可用于近似计算远场的弱截断光束。
While being heated by a laser beam, expansion arm extends rapidly, and the motion block remains still due to its own inertial.
当膨胀臂被激光加热时迅速伸长，由于自身的惯性，移动滑块基本上保持静止。
The CH molecular beam was generated by DC pulsed discharging methane seeded in helium in the supersonic expansion to study the generation and features of CH molecular beams.
为了获得CH分子束及其相关特性，以氦气为载气，利用直流脉冲放电技术产生了CH分子束。
The technology of prestressed no beam slab with no expansion joint was applied in LongYan children's playground. This paper analysized and summarized the measures of crack controlling in this roof.
龙岩儿童乐园超长顶板采用预应力无梁平板，不设伸缩缝，本文对该顶板的抗裂控制的措施和经验进行了分析和总结。
The front of the beam expansion system is also provided with a dust proof mirror.
在其扩束系统前面还设有一个防尘镜。
The nonlinear model of the composite beam is established and the modal expansion solution is obtained.
建立梁的非线性弯曲方程，并求出模态展开解。
The key of settling the difficulties of supporting and caving is to develop and adopt the new style hydraulic caving supports with tail beam of expansion link combined by above 2 new technologies.
全面解决支护和冒放等难题，关键在于开发和采用由上述两项新技术结合而成的新型放顶煤液压支架-伸缩杆尾梁放顶煤液压支架。
The furnace, U-beam separator, and superheater enclosures are constructed entirely of top-supported, gas-tight, all-welded membraned tube walls which do not require hot expansion joints.
炉膛、U型钢分离器，以及过热器的外壳由顶部支撑、气密、全焊接的膜式管墙构成，因此不需要膨胀节。
The furnace, U-beam separator, and superheater enclosures are constructed entirely of top-supported, gas-tight, all-welded membraned tube walls which do not require hot expansion joints.
炉膛、U型钢分离器，以及过热器的外壳由顶部支撑、气密、全焊接的膜式管墙构成，因此不需要膨胀节。
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