查询词典 bridge bird

The development of cable stayed bridge was introduced systematic,the development trend of cable stayed bridge was discussed from structure diversification,bridge deck light type and cable new-type orientation,the question existing in design and building of cable stayed bridge was analyzed,so as to provide guide for building of cable stayed bridge.

系统介绍了斜拉桥的发展，从结构多样化，桥面轻型化、拉索新型化等方面探讨了斜拉桥的发展趋势，分析了斜拉桥在设计和建设中存在的问题，以期对斜拉桥的修建具有一定的指导作用。

In this paper,based on consulation to tens of bridge experts and a vast amount of investigation and study,expert knowledge on bridge assessment is obtained. A new concept-damage value is put forward to measure bridge damage,and fuzzy theory is used to create comprehensive fuzzy system to assess bridge service property. The set up of an expert system for bridge assessment is tried as well.

本文在对数10位桥梁专家的咨询以及大量的调查研究基础之上，收集整理了桥梁评估专家知识，提出用损伤度来度量桥梁结构或构件的损伤程度，并采用模糊数学原理，建立了桥梁使用性能的模糊综合评估体系，并探索建立了桥梁评估的专家系统。

In regard to cross the river bridge is now formed pontoon, mechanized bridge / trestle, mechanization railway platform, fabricated truss bridge, building bridges and a motorboat, engineering, floating boxes, fabricated steel products such as road series; in the Special Purpose Vehicle and engineering machinery and mechanization of the main pontoon bridge and set up a dedicated delivery vehicles, loading and unloading trucks and other products from the series; in the steel works has developed a road / rail bridge steel structure, metallurgical equipment, various power transmission towers and microwave towers, steel columns, steel poles and other products.

在渡河桥梁方面，现已形成舟桥、机械化桥/栈桥、机械化铁路站台、装配式桁架桥、架桥汽艇、工程浮箱、装配式公路钢桥等产品系列；在专用汽车和工程机械方面主要有舟桥和机械化桥运载及架设专用车、自装卸车等产品系列；在钢结构工程方面开发了公路/铁路桥梁钢结构、冶金设备、各种输变电塔和微波塔、钢柱、钢质电线杆等产品。

It is understood that the Yangtze River Bridge have been completed with the opening of the Yangtze River Bridge, Sanqiao different, it is the main span of Nanjing, the first 1418 meters of the twin towers three-span suspension bridge, looks like a well-known San Francisco Golden Gate Bridge, but the main span longer than the Golden Gate Bridge more than one hundred and thirty meters.

据了解，长江四桥与已建成通车的长江二桥、三桥不同，它是南京第一座主跨1418米的双塔三跨悬索桥，外观类似著名的美国旧金山的金门大桥，但主跨比金门大桥还要长130多米。

Then, the skilled artist god steals the bird's egg returns in the bird nest female bird's, that bird does not know unexpectedly, probably its hypogastric's egg was not once passive excessively general, was still continuing to hatch these eggs.

接着，妙手神偷把鸟蛋又放回鸟巢内雌鸟的下面，那鸟竟毫不知晓，好像它腹下的蛋不曾被动过一般，仍在继续孵着那些蛋。

After many years of bird pest control work, we realized that only the airport and the surrounding ecological environment for the conduct of governance, to cut off the food chain, birds, bird habitat destruction, will it be possible to allow the "Big Bird" and the blue bird-sharing days.

经过多年的鸟害防治工作，大家意识到，只有对机场和周边生态环境进行治理，切断鸟类食物链，破坏鸟类栖息环境，才有可能让&大鸟&和小鸟共享蓝天。

The results show that:(1) The penetration resistance of functionally graded layered armour made of metal Matrix Composites is better than that of the Aluminum plate;(2) The penetration resistance of the functionally graded layered armour whichlay_up is 0%/57%/0%/26%/0%/12%/0% is the best;(3) The resistance penetration of the the functionally graded layered armour can be greately promoted through optimizing the lay_up and volume fraction of the reinforced particle;(4) The functionally graded armour in which the particles distribute continuous has better behavior of resistance penetration when the volume fraction of the reinforcements are constant;(5) The higher volume fraction of the reinforcements at the surface of FGM and the more non-homogeneous the reinforcements distribution, the higher thesurface Youngs Modulus and the flow stress are;(6) The behavior of penetration resistance of the functionally graded armour in which the particles distribute continuously is better than that of homogeneous steel plate;(7) The functionally graded armour provedes a important approach for the optimization and design of the resistance penetration;(8) The numerical results of simulation of the bird striking the aircraft structureshow that the finite element model of the balance leg is effective;(9) The numerical results show that the structure internal force is relative largewhen the bird strikes the top of the balance leg;(10) The process of the birdstrike is thaf.after the bird penetrting through the front skin of the balance leg and striking the front beam,the bird is broken up in three parts.

经过本文所进行的数值模拟后我们发现：(1)在层状梯度装甲板的抗侵彻过程中层状功能梯度板比铝板的抗侵彻性能好；(2)在层状梯度装甲板的抗侵彻过程中铺层顺序为0%/57%/0%/26%/0%/12%/0%的功能梯度装甲板的抗侵彻性能最好；(3)通过优化组合层状梯度板的铺层顺序以及增强颗粒的含量可以大大改善梯度板的抗侵彻性能；(4)当SiC颗粒体积含量一定时，增强颗粒连续分布的功能梯度板表现出了优越的抗侵彻性能；(5)增强颗粒连续分布的功能梯度板表面SiC颗粒体积含量越高，分布越不均匀，表面的弹性模量就越高，屈服应力就越高；畜此工业大学硕士研究生学位论丈(6)增强颗粒连续分布的功能梯度装甲板比匀质钢板表现出良好的抗侵彻性能；(7)功能梯度装甲板为整个抗侵彻性的优化设计提供了重要的途径。

When making design with bridge configuration, bridge deck overlay which was only treated as the appendant of bridge, currently not make special calculate and analyze about it, at the same time, current codes also just give directed account for method、material and thickness of deck pavements, there havent any design theory and index to dependent, so it is necessary to do some systemic study about concrete bridge deck overlay and make certain about the stress and distortion characteristic of the deck pavements.

桥面铺装作为特殊的路面结构，它起着保护桥梁和承担路面功能的作用。但是目前，在进行桥梁结构设计时，桥面铺装层只是作为桥梁工程的附属结构，一般不作专门的计算分析，现行规范也只是对桥面铺装的做法、材料、厚度做了指导性的说明，至今没有可以依据的设计理论和指标，因此有必要对桥面铺装展开系统的研究，明确铺装层结构的受力和变形特点。

To clear the stress relations between bridge decks and the steel tube truss stiffening girder of Zhongxian Yangtze River Bridge, this paper establishes two kinds space analysis model for this bridge, namely: the interaction model of the bridge decks work with the stiffening girder together and the traditional model not work with the stiffening beam.

为了明确忠县长江大桥桥面板与钢管桁架加劲梁的受力关系，本文建立了两种空间分析计算模型，即；桥面系参与加劲梁受力的共同作用模型和不参与加劲梁受力的传统模型。

When train bridge can cause the bridge vibration, the bridge vibration in turn also can affect the vehicles the vibration, namely forms the vehicle bridge coupled oscillation question.

列车过桥时会引起桥梁的振动，桥梁的振动反过来也会影响车辆的振动，即形成车桥耦合振动问题。

Objective To study the effect of chitosan in the prevention of fibrous scar formation in the epidural space after laminectomy.

目的 观察选择性脊神经后根切除术椎板切除后硬膜外几种防瘢痕粘连物质的作用并探讨其机制。

On his way to the lift, he looked back to us or was it me his eyes pointing?

当他要进电梯时，他回头看我们（或者说是我，他的眼光？