反梁是一种建造方式，只是一种需要，因某些原因（如层高不够等）而把梁做到楼板的上部（一般的梁都是与楼板平的），但在地基处的基础梁一般为反梁。
以某轧钢厂的一台步进梁式加热炉为例，计算了钢坯表面热流沿炉长方向的分布，并反算求解总括热吸收率。
The heat flux to slab surface of a walking beam reheating furnace along length of the furnace is computed, and total heat exchange factor is also calculated.
结果表明，张拉主缆索可以显著地改善反吊桥主梁的应力。
The result shows that to tension the main cable can obviously improve the stress of the main girder of the reverse suspension bridge.
为了估计剪力对梁变形的影响，在集中力作用下梁内剪力用一个单值连续的反三角函数表示。
To evaluate the effect of shear on deformation of beams, shear in beams under the action of a concentrated load is expressed in terms of a single-valued continuous inverse trigonometric function.
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