To combat the dangerous working conditions, bridge designer Joseph Strauss introduced the hard hat and a safety net that stretched end to end under the bridge. Nineteen workers fell.
为了要对抗危险的工作环境，桥梁设计师约瑟夫·史特劳斯(JosephStrauss)引进了安全帽，并且在桥梁下方两端绑上一个安全网，因而拯救了19位坠落的工人。
We have a class in Chicago asking for civil engineers to teach them how to build a bridge. In Idaho, a class is asking for a scientist to help them build a working river delta inside their classroom.
希德里说：“我们在芝加哥开了一个班，由土木工程师教授他们建造桥梁的知识，在爱达荷州，有个班级请求科学家帮助他们建立一个可在教室内运转的河流三角洲”。
She says the so-called air bridge between Bangkok and Rangoon is working well with 10 to 15 humanitarian flights taking off every day.
她说，所谓的曼谷和仰光之间的空中桥运转正常，每天有10至15次航班的人道救援飞机起飞。
Many high achievers who love their careers feel that they are happiest when they are working hard. Work serves as a bridge between man and reality.
那些喜欢他们的工作并取得很高成就的人觉得他们努力工作的时候是最幸福的时候。
Meanwhile, researchers working in Shanghai from 1973 to 1975 found that artemisinin has a novel and unusual structure, a so-called peroxide bridge.
同时，上海的研究人员在1973到1975年间着手解析青蒿素的化学结构，他们发现青蒿素具有一个全新且罕见的过氧基团结构。
Unfortunately I couldn't get past Canal Street, so I went home to Brooklyn over the Manhattan Bridge. Then I continued working on the T-shirt piece.
很不幸，我无法通过运河街，只得从曼哈顿桥回到布鲁克林的家，继续T -恤的报道。
Many high achievers who love their careers feel they are most happy when they are working hard. Work serves as a bridge between man and reality.
许多热爱事业、卓有成就的人在努力工作时感到最幸福。
The working processes of the frequency-tracking phase-shift PWM controlled full bridge power supply load series resonant type DBD ozone generation power system are analyzed.
系统的分析了频率跟踪移相PWM控制全桥供电的串联谐振负载式DBD型臭氧发生器电源系统的工作过程。
WHAT’S AROUND YOU RIGHT NOW Twitter is working on ways to deliver news nearby, like alerts about an earthquake or the closing of a bridge, Mr. Stone said.
了解身边事 斯通说Twitter现在正努力实现传递用户身边的新闻，比如地震预警或路桥关闭等信息。
Zhao Zhou Bridge has displayed working people's wisdom and the talent, it is precious historical heritage.
赵洲桥表现了劳动人民的智慧和才干，是我国宝贵的历史遗产。
While working in the shadow of the iron bridge, he tried his luck by dipping a pan into the river sand.
当他在铁桥下阴凉处干活时，随手把淘金盘浸入河沙中淘了淘，想碰碰运气。
Damage alarming index is key in the bridge alarming system, whose working energy is decided by the effective of damage alarming.
损伤预警指标是桥梁预警系统研究中的关键内容，损伤预警的效果决定着整个系统的工作性能。
In light of the practical working producedure of the machine, the forces on foundation beams of bridge floor are analyzed and the load-bearing capability of these beams are studied by experimentation.
针对配重行走式架桥机的实际工作过程，分析了基础桥面梁体的受力状况，并对其承重能力进行了试验研究。
The paper introduces the aim and content, working method, structural analysis as well the content and result of monitoring for the construction control of the bridge.
该文介绍了该桥施工控制的目的和内容、工作方法、结构分析及监测内容和成果。
The welding quality between the contact and bridge is an important factor that significantly affects the working performance of the product.
触点与触桥的焊接质量是影响其工作性能的重要因素。
The main parameters, structure, design notion and working principle of the MQJ-1 Style Bridge Inspection Vehicle were introduced.
介绍MQ J - 1型桥梁检修车的主要参数、结构构造、设计思路及工作原理。
Traditional quiet load methods of bridge test need the heavy working range, long time to load, and usually breaking down the traffic.
传统的桥梁静载检测方法工作面大，加载时间长，通常要中断交通。
Bridge of Zhuhai City, working-out of rehabilitation schemes and implementation of rehabilitation construction for the bridge are recounted.
介绍了珠海市珠海大道六号桥质量事故发生的原因，修复方案的制定及修复工程的实施。
This paper introduced the installation procedure of large bridge-type pylon and analyzed its working principle and control strategy.
介绍了大型桥式塔架的安装过程，分析了其安装控制系统的工作原理和控制策略。
The new humanistic meaning of "Reading, Writing, Arithmetic" is especially important to educators working at educational technology, for culture is a bridge between technology and education.
教育技术工作者必须充分认识“读写算”的人文意义延伸，因为技术对于教育的介入需要通过文化这一桥梁。
The composition of the inverter, the working principle of full-bridge main circuit, controlling circuit, drive circuit and protect circuit are described.
就其电源的主体结构，全桥主电路、控制电路、驱动电路以及保护电路的工作原理作了简要的论述。
The working mode of full bridge inverter circuit is introduced in this paper.
介绍了全桥逆变电路的工作方式。
Compared with a variety of relatively common DC chopping circuit, this paper selects the triple H-bridge chopping circuit to drive DC motors and introduces its working principles.
本文针对微型电动汽车，在比较多种常用的直流斩波电路基础上，选择三重化桥式斩波电路作为功率变换器主电路并研究了其工作原理。
Compared with the prior art, the bridge type elastic supporting device has simple shape, compact structure and high working reliability, and can not make sound.
该桥式弹性支撑装置与现有技术相比，形状简单，结构紧凑，工作可靠性高，而且不会发出声响。
Based on analyzing the exploitation and applying of bridge bearing, aiming at the hotspot of bearing research, the paper introduces the isolation bearings structure and working mechanism.
本论文在分析国内外桥梁支座开发应用现状的基础上，针对目前桥梁支座开发研究的热点，对现有减震支座的构造和工作机理做了简单的介绍。
With the common application of prestress in bridge construction, the strain-pull controlling has become an important working procedure during the upper structure construction of bridge.
随着预应力在桥梁施工中的普遍应用，预应力张拉控制已成为桥梁上部结构施工中的一道重要工序。
After optimal design, a modern bridge-building machine has a simple body, but its working condition and surrounding are much worst than before.
现代的架桥机经过优化设计后，其机身和车底都比较简约。但其工况和环境比以前更加恶劣。
Because it has a high working temperature, the high temperature strain gauge is necessary in composing the strain measurement electric-bridge.
由于工作温度较高，所以需采用高温应变片来组成应变测量电桥。
Because it has a high working temperature, the high temperature strain gauge is necessary in composing the strain measurement electric-bridge.
由于工作温度较高，所以需采用高温应变片来组成应变测量电桥。
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