这一次他设想在桥的两端都安装一套环道系统，每个都有一系列四种速度的移动人行道。
This time he envisaged a loop system at each end of the bridge, with a series of four ever-faster walkways.
它们甚至比以往的交通环道（如曼哈顿市区建于上世纪的哥伦布环道）更加高效和安全（现代设计包括使靠近环形路的车辆减速的系统，以及禁止行人进入环形的中心区域）。
(Modern designs include mechanisms for slowing traffic down as it nears the roundabouts, for example, and do not allow pedestrians onto the centre of the circle).
不过现在这些新的人行道实质上只是从a到b的简单的运输装置，远比早期多环道、多速度并带有多出入口的系统要简单。
These new walkways, however, were essentially a single conveyor moving from a to B, far simpler than the earlier many-ringed, multispeed systems with multiple points of entry and exit.
公园的宽广的道琼斯路径系统包括有近10英里的循环道路和美丽的风景。
The park’s extensive Jones Creek Trail System consists of nearly ten miles of looping paths and gorgeous views.
本文介绍了原油结蜡模拟环道scada系统设计方案，重点介绍了监测系统的硬件网络和组态软件实现功能。
This paper describes the designed method of crude oil wax deposit imitating pipeline SCADA system,. The hardware network and configuration software of the supervisory control system are introduced.
本文介绍了原油结蜡模拟环道scada系统设计方案，重点介绍了监测系统的硬件网络和组态软件实现功能。
This paper describes the designed method of crude oil wax deposit imitating pipeline SCADA system,. The hardware network and configuration software of the supervisory control system are introduced.
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