The reinforced concrete structure and steel tubular structure are included into the laminated beam arch bridges on the basis of analysis of Bianjing Rainbow Bridge.
在分析汴京虹桥的基础上，将叠梁拱桥扩充到钢筋混凝土结构和钢管结构，并结合实例进一步对单孔叠梁拱桥的构造、设计、计算和施工作了研。
Overreaching the wide horizon as the rainbow, its hues are as various as the hues of that arch - as distinct too, yet as intimately blended.
犹如那道横过寥寥天边的彩虹，其色彩也是千变万化——有时各色清晰可辨，有时又融合交织在一起。
A fog bow is a similar phenomenon to a rainbow, but it appears as an arch in fog rather than rain.
雾虹是一种和彩虹相似的现象，但它不出现在雨中，而是出现在雾中。
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