Or known that, with all the aqueducts destroyed by barbarians and with the great roads left in ruin, the city would empty of citizens, and it would take almost twenty centuries before Rome ever recovered the population she had boasted during her height of glory? 或预知蛮族摧毁罗马所有的水道桥,条条大道皆成废墟,市民净空,几乎在经过20个世纪后,这座城市才得以恢复其盛世时期的人口?
The roads and aqueducts of Rome have been the admiration of all after ages 古罗马的大道和高架渠在其后的年代一直受到羡慕
These cannals are frequently excavated through rock, and require tunnels, flumes, syphons, aqueducts and open concrete-lined channels. 这些水渠往往要凿通岩石,并需要地道、引水沟、弯管、渡漕和混凝土水道。
Analysis and calculation of the water surface profiles of the outlet aqueducts reconstruction in the No.3 pump-station of Ningxia Tongxin 同心扬水三泵站出水渡槽改造后水面线分析计算
The Romans, for instance, constructed aqueducts to bring fresh water to their towns and sewers to provide sanitation. 例如罗马城通过构筑沟渠引清水洗刷城镇,建造下水道提供卫生设施。
The arch axis of arciform aqueducts formed by the continuum topology optimization method was compared with the circular arch axis and the parabolic arch axis of the same span. 结果表明,由结构拓扑优化方法生成的拱轴线,自重作用下的弯矩值以及相同均布荷载作用下的应力值都比相同矢跨值的圆弧拱轴线和二次抛物线拱轴线小。
Rome became a powerful, well-organized empire, marked by great engineering works-roads, canals, bridges, and aqueducts. 罗马成为实力强大,组织完善的王国,以大量的工程作品著称:道路、运河、桥梁以及高架渠。
Many aqueducts from ancient Roman times still stand today near the Mediterranean Sea. 许多古罗马时代的引水渠至今还保留在地中海附近。
He then saw the great aqueducts, those stone phantoms which he had before remarked, only then they were on the right hand, now they were on the left. 他看见了那庞大的引水渠架,就是他以前看见过的那些花岗石的鬼怪;只是以前它们在他的右边,而现在则已在他的左边。
They envision desalinating seawater from the neighboring oceans and bringing it inland using aqueducts and pumps. 他们设想,从邻近的海洋中取海水进行谈化然后使用引水渠和水泵引入内地。
Throughout Europe, most of these ruins are nothing more than crumbling aqueducts or columns that merely suggest a once-thriving Roman city. 横贯欧洲,大多数这些遗址无非是废墟的沟渠、柱显现着这里曾经繁华的古罗马城池。
It has accomplished wonders far surpassing Egyptian pyramids, Roman aqueducts, and Gothic cathedrals; 它创造了完全不同于埃及金字塔、罗马水道和哥特式教堂的奇迹;
There are several dams across the Huai River. Hilly countries can be canalized by the construction of locks, tunnels, and bridge aqueducts. 淮河上有几座水闸。可以通过修筑闸门、隧道及高架引水道在丘陵地区开通运河。
Roman engineers maintained water levels in aqueducts by means of floating valves that opened and closed at appropriate levels. 罗马工程师用在适当水位开、关的浮子式阀来保持沟渠系统的水位。
Institute of National Aqueducts and Drainage Systems 国家导水和排水系统研究所
Bending-Torsion Relativity Analysis of Aqueducts in the South-to-North Water Diversion Project 南水北调工程渡槽结构复合弯扭相关性分析
Hilly countries can be canalized by the construction of locks, tunnels, and bridge aqueducts. 可以通过修筑闸门、隧道及高架引水道在丘陵地区开通运河。
Main factors and variation laws of temperature boundary conditions of large-scale aqueducts are determined by analyzing and calculating the temperature boundary conditions. 通过对大型渡槽的温度边界条件进行分析计算,确定了影响渡槽温度边界条件的主要影响因素及其变化规律。
Research on Renewable Groovelike Bionic Diamond Bit Only a portion of the Roman aqueducts utilized the familiar stone arch; most were underground conduits made of stone or terra-cotta pipe. 可再生沟槽式仿生金刚石钻头的试验研究其中部分是利用石拱结构,大部分是以石头和赤陶造的地下沟渠。
The experiment of the seismic performance study of prestressed aqueducts is completed and some valuable data is obtained. 参与并完成了预应力混凝土渡槽抗震性能研究的实验,从实践角度验证了渡槽的一些抗震性能,取得了许多珍贵的第一手资料。
Application of strain mode test to structural damage diagnosis of aqueducts 应变模态试验技术在渡槽结构损伤诊断中的应用
The frozen damage characteristics of aqueducts and the corresponding prevention measures were presented. 阐述渡槽工程冻害破坏特征及冻害防治措施。
Study on seismic isolation technology for large aqueducts 大型渡槽隔震研究
The model is practical for dynamic analysis of the large-scale aqueducts. 模型可用于大型渡槽的动力分析。
Dynamic modeling study of large-scale aqueducts 大型渡槽动力建模研究
In trans-basin water diversion projects, one of the difficulties encountered is the construction of huge aqueducts. 跨流域调水工程中,巨型渡槽的施工技术是困扰渡槽建设的一个难题。
Finite strip dynamic modeling of large aqueducts 大型渡槽有限条法动力建模研究
Compare two kinds of hollow aqueducts which frontier walls thickness, and select one that is more effective to reduce the thermal stress. 本文对比分析了两种不同边墙厚度的空心渡槽对温度应力减小的效果,并从中选出一种更有效的空心渡槽。
An adaptive important sampling methodology is proposed to calculate the structural system reliability of aqueducts. 提出了一种适合于渡槽结构系统可靠度计算的重要样本法。