里奥哈特认为，组合混凝梁土对于三跨距的悬索拉桥来说也是十分经济的，不过仅限于中心跨度为700米以内的拉桥。
According to Leonard, the composite concrete deck is also economical for triple-span cable-stayed suspension bridges, but only for those with a center span of up to 700 meters.
结合样条函数和里兹法提出薄壁箱形梁剪力滞效应计算的样条里兹法。
The spline Ritz method was proposed and used to analyse the shear lag effect of box girders.
在咨询室，为了使患者更轻松，我们将射灯嵌入到梁结构里。
In the consultation room, to make patients more relaxed, we embedded lights into the beam structures.
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