2022高考英语全国乙卷英语cd篇翻译
Can a small group of drones（无人机）guarantee the safety and reliability of railways and，at the same time，help railway operators save billions of euros each year？一小无人机可以保证铁路的安全性和可靠性，同时，帮助铁路运营商每年节省数十亿欧元吗？
react to翻译That is the very likely future of applying today's"eyes in the sky"technology to making sure that the millions of kilometres of rail tracks and infrastructure（基础设施）worldwide are safe for trains on a 24/7 basis。这是很有可能的，未来应用今天的“天上的眼睛”技术来确保数百万公里的铁路和基础设施在世界范围内是安全的，对于在24/7的基点上的火车来说。
Drones are already being used to examine high-tension electrical lines。无人机已经被用于检查高压电线。
They could do precisely the same thing to inspect railway lines and other vital aspects of rail infrastructuresuchas the correct position of railway tracks and switching points。他们完全可以做同样的事情来检查铁路线路和铁路基础设施的其他重要方面，如铁路轨道和换乘点的正确位置。
The more regularly they can be inspected，the more railway safety，reliability and on-time performance will be improved。越定期检查，铁路的安全性、可靠性和准点率就越高。
Costs would be cut and operations would be more efficient（高效）across the board。成本会在各个方面降低和操作将更有效(高效)。
That includes huge savings in maintenance costs and better protection of railway personnel safety。这包括大幅节省维护成本和更好地保护铁路人员安全。
It is calculated that European railways alone spend approximately 20 billion euros a year on maintenance，including sending maintenance staff，often at night，to inspect and repair the rail infrastructure。据统计，仅欧洲铁路公司每年在铁路维护上的花费就约为200亿欧元，其中包括经常在夜间派遣维修人员检查和维修铁路基础设施。
That can be dangerous work that could be avoidedwithdrones assisting the crews'efforts。这可能是一项危险的工作，在无人机的协助下可以避免。
By using the latest technologies，drones could also start providing higher-value services fo
r railways，detecting faults in the rail or switches，before they can cause any safety problems。通过使用最新的技术，无人机还可以开始为铁路提供更有价值的服务，在铁路或列车转轨出现故障之前就能检测到它们，避免出现任何安全问题。
To perform these tasks，drones for rail don't need to be flying overhead。为了完成这些任务，铁路无人机不需要在头顶飞行。
Engineers are now working on a new concept:the rail drones of the future。工程师们现在正在研究一个新概念:未来的铁路无人机。
They will be moving on the track ahead of the train，and programmed to run autonomously。它们将在列车前方的轨道上运行，并被设定为自动运行。
Very small drones with advanced sensors and AI and travelling ahead of the train could guide it like a co-pilot。配备了先进传感器和人工智能的小型无人机可以像副驾驶员一样引导火车前进。
With their ability to see ahead，they could signal any problem，so that fast-moving trains
would be able to react in time。他们有预见未来的能力，可以提前告知出现的任何问题，这样快速行驶的列车就能及时做出反应。

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