查询词典 bridge bird

Raises comprehensively along with our country railroad passengers and cargo vehicle fast, in order to effective to already has the bridge operation condition to carry on the appraisal by, and to newly built, the reconstruction bridge carries on the optimized design, must carry on the analysis to time the train bridge vehicle bridge coupled oscillation question.

随着我国铁路客货车的全面提速，为了有效的对既有桥梁运营状态进行评估以，及对新建、改建桥梁进行优化设计，均需对列车过桥时的车桥耦合振动问题进行分析。

The structure parameter influences on lateral stability, such as crankle rigidity ratio of arch rib, arch axis coefficient, arch high span ratio, lateral rigidity of bridge decking and arch rib ratio, the effect of non-orientedly conservative loadings of bridge deck, lateral wind loadings were discussed. Corresponding numerical charts were given, and they may be of some reference value and helpful to the parameter design of ribbed arches.2. In this paper, the example bridge is a long-span half-through CFST arch bridge of a 100m span in Yi Lan.

分析了拱肋的抗扭刚度与横向抗弯刚度比、拱轴系数、矢跨比、桥面系的横向抗弯刚度与拱肋的横向抗弯刚度比、桥面系横向刚度引起的非保向力效应、横向风荷载对单肋拱横向稳定的影响，并给出了相应的图表，为拱桥设计时拱肋的结构参数的选取提供一定的依据。

It is showed in wind-vehicle-bridge system vibration analysis that cross wind action can remarkably increase the response of bridge and vehicle. Generally, the response of bridge and vehicle are increased with wind speed and train speed, one case that vehicle is on leeward side of deck is more unsafe than another case that vehicle is on windward side of deck. Nonlinear factors can more influence bridge than vehicle.

风—车—桥系统耦合振动分析结果表明：考虑风的作用会显著增加车辆和桥梁的响应；车辆和桥梁的响应总体上随风速和车速的提高而变大；车辆位于桥道背风侧时较迎风侧时更为不利；非线性因素对桥梁的影响较车辆的要大。

The bridge design theory based on the life cycle cost refers to, in the beginning of bridge design, the innovative design approach to ensure an optimized bridge life cycle cost on the basis of a secure operation of bridge.

所谓桥梁的全寿命周期成本设计理论，即指在桥梁结构设计之初，在保证桥梁服务寿命内安全运营的前提下，确保其寿命周期成本最优化的一种全新设计方法。

And tours the Long Bridge Park, visits the Hangzhou three strange scenic spots, same year "the Tale of the White Snake" center, the white wife and Xu Xian met it to judge the bridge unceasingly, the isolated hill was not orphaned, Liang Shanbo with wished the place long bridge which English 18 saw off not to be long In Guozhuang's has a Qing Dynasty west Hangzhou Xihu Yang Gongdi the private garden, this garden is the Wuxi merchant Guo indanthrene constructs, therefore names calls the Guozhuang, he has constructed very many small bridge over the flowing streams, pavilion pavilion in the garden, has introduced Xihu's real water in the garden, therefore also has name of the rockery real water.

然后我们去珍珠工厂去了解珍珠的养殖过程。再游览西湖新天地，西湖博物馆，新西湖南线，远眺雷锋塔。并游览长桥公园，参观杭州三怪景点，当年《白蛇传》中，白娘子和许仙相会之处断桥不断，孤山不孤，梁山伯与祝英台十八相送的地方长桥不长。郭庄在杭州西湖西面的杨公堤上有一座清代的私家花园，此园是无锡商人郭士林所建，故取名叫郭庄，他在园内兴建了很多小桥流水、楼阁亭台，把西湖的真水引入了园内，故又有假山真水之称。

Corridor Bridge and other difference is that Yu Wen useless on both sides of the wooden side of the bridge closure, but the fine work of wood lattice, the bridge can be seen inside the bridge outside the permeability.

廊桥和其他不同的是，于闻无用两边的木制一侧的大桥封闭，但细木格子的工作，桥梁可以看到里面的桥梁以外的渗透。

The free vibration characteristics were tested with the microseism method. The dynamic responses of strains, displacements and accelerations of the structure were tested under the dynamic loads of the train passing through the bridge with different uniform velocities and the train braking at a specifed point on the bridge with some requied velocities. The test results of the real bridge and the calculated results of the train-bridge coupling vibration were analyzed together.

采用脉动法测试其自振特性；动载试验中试验列车分别以不同速度匀速通过桥面及以一定速度在指定位置处制动，测试各工况下桥跨结构的应变、位移、加速度的时程响应，并将实桥测试结果与该桥的车桥耦合振动计算结果作比较分析。

The invention has the advantages that by means of single film growth craft, supporting structures of a pier, a bridge leg, and a deck are accomplished, thus greatly lowering the difficulty and complicity of the craft; the pier, the bridge leg, and the deck are formed into a trinity, thus assuring the mechanical support of the whole micro bridge to be firmer and to have higher stability; meanwhile, the pier manufactured by means of the single film growth craft has a hollow shape, thus ensuring that the manufacturing process of the electrical channel of the micro-bridge structure is more simple, without the need of tapping in the pier; only simple photoetching craft is needed to guarantee the connection between the electrode at the upper end and the electrode at the lower end.

本发明利用一次薄膜生长工艺完成桥墩、桥腿和桥面的支撑结构，大大降低了工艺难度和复杂性，且桥墩、桥腿和桥面三位一体，使得整个微桥的机械支撑更为牢固，稳定性更高；同时，本发明利用一次薄膜生长工艺制作出的桥墩成空心状，使得微桥结构的电学通道制作过程变得更为简单，无需另外在桥墩中开孔，只需简单的光刻工艺即可保证上端电极和下端电极相连。

A "Living/Learning Bridge" reestablishes a strong Walnut Street axis and connects to Rittenhouse Square Center City; A "Sports/Recreation Bridge" proposes a dramatic new pedestrian-only cable-stay span and incorporates student life programs like a series of sports and recreation parks along the river adjacent to the existing stadium; A "Health Sciences/Cultural Bridge" at South Street and future "Research Bridge" accommodate health care and research endeavors that are critical for both the university's and city's growth.

宾大链接区既是宾大下半世纪的发展蓝图，又是将校区与斯库基尔河以及费城中心城区连接起来的桥梁。

In association with the improvement design practices on winding equipment for main cable of large span cable bridges liking Shantou Gulf Bridge, Xiling Yangtse River Bridge and Xiamen Haicang Bridge, some contents are systematically described on the basis of electric control system of ZLC series winding machine for main cable, including mechanism composition of the winding machine for main cable, mathematical relationship between rotation speed of winding system and travel speed of the winding machine, work principle of accurately matching control on the two speeds with PLC and frequency converter, wireless measurement and monitor of winding system tension, automatic override control on cable clamp as well as practical effect of a real bridge application.

结合对汕头海湾大桥、西陵长江大桥和厦门海沧大桥等大跨度悬索桥的主缆缠丝施工设备－主缆缠丝机的改进设计实践，以ZLC系列主缆缠丝机的电气控制系统为基础，系统介绍了主缆缠丝机的机构组成、缠丝系统旋转速度与缠丝机行走速度之间的数学关系、采用PLC及变频器对两速度进行精确匹配控制的工作原理、缠丝系统张力的无线测量、监控、索夹的自动跨越控制以及实桥的应用效果。

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？