Positive vertical temperature gradient in concrete and steel superstructures.
混凝土和钢筋上部结构正垂直温度梯度。
It is one of the planet's newest awe-inspiring superstructures - the Hoover Dam Bridge.
这是这颗星球上令人敬畏惊叹的最新超级建筑之一——胡佛大坝桥。
Tunable superstructures were obtained in hydrothermally etched iron-passivated porous silicon (IPS).
采用水热腐蚀技术制备的铁钝化多孔硅表面具有可调超结构。
The superstructures of cable-stayed bridge mainly include three parts:tower, main girder and stay cable.
斜拉桥上部结构包括三个主要部分：索塔、主梁和斜拉索。
Manufacturers of the early 1900s were using steel pipe, angle or channel for the greenhouse superstructures.
二十世纪初期制造商们就已用钢管、角铁以及槽钢之类的材料建造温室的上部结构。
Other applications for fibre composites within ship-building are found in superstructures and secondary structures.
另外，在造船业中纤维增强复合材料也被用于上层建筑和二级结构中。
Due to the atmosphere temperature change, the bridge superstructures' thermal deformation exist impersonality which is a fact.
由于周围大气温度的变化，桥梁上部结构产生的温度变形是一个客观存在的事实。
Recently the collisions between over-high trucks and bridge superstructures have become a serious threaten to the safety of city traffic.
摘要近年，超高车辆撞击桥梁上部结构问题成为城市交通安全的重要威胁。
Abstract: Recently the collisions between over-high trucks and bridge superstructures have become a serious threaten to the safety of city traffic.
摘要：近年，超高车辆撞击桥梁上部结构问题成为城市交通安全的重要威胁。
Then by ignoring the unimportant influencing factors, a simplified model for the collision between over-high trucks and bridge superstructures is developed.
进而通过忽略次要影响因素，对车辆、桥梁受力行为进行合理简化，建立了超高车辆-桥梁上部结构碰撞的简化计算模型。
Study results show that the damage modes of bridge superstructures impacted by over-high trucks include global deformation damage, local damage and girder-falling.
分析结果表明，超高车辆撞击使桥梁上部结构产生整体变形损伤、局部破坏甚至落梁破坏，撞击荷载包括撞击冲量和局部冲击力，不同车型撞击荷载差别较大。
Recently, accidents of collisions between over-high trucks and bridge superstructures happen frequently, which seriously threaten the safety of Bridges and city traffic system.
近年，超高车辆撞击桥梁上部结构的事故频繁发生，严重威胁桥梁结构安全与城市交通运行。
The pair became interested in energy-generating skyscrapers on moving to the United Arab Emirates, where there are superstructures in spades but few that are any greener than their brochures.
这对夫妇来到阿联酋以后开始对供能的摩天大厦产生兴趣，因为那里建筑的上层结构十分出色，但很少能像建筑宣传册上表现得那样环保。
The pair became interested in energy-generating skyscrapers on moving to the United Arab Emirates, where there are superstructures in spades but few that are any greener than their brochures.
这对夫妇来到阿联酋以后开始对供能的摩天大厦产生兴趣，因为那里建筑的上层结构十分出色，但很少能像建筑宣传册上表现得那样环保。
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