loop system

基本解释

This time he envisaged a loop system at each end of the bridge, with a series of four ever-faster walkways.
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。
Volunteers listened on their hearing aids (set on the T-coil setting) to a series of recordings played through a loop system.
志愿者用他们的助听器（设置到T档）听通过一个回路系统播放的一系列录音。
An open-loop system would have to assume that the acts successfully changed the state of the environment, which can never be a good thing.
而开放循环系统只能假设操作成功改变了环境的状态，这永远都不是什么好事。

Bolt comes with a trick-looking two-into-one exhaust system, which includes an oxygen sensor and exhaust gas catalyst that works with the closed-loop fuel injection system.
FORBES: 2014 Star Bolt: New Motorcycle Test Ride And Review
The beauty of the market system is that it provides a continuous feedback loop.
FORBES: Jeff Raikes On The Challenges And Successes Of The Gates Foundation
The entire system would go into a destructive positive feedback loop and crash.
FORBES: Sorry Paul Krugman, But We Still Need Say's Law