Europe's largest high-speed rail operator has predicted that domestic air travel in the UK will lose millions of passengers to a 250mph train service if an ultra-fast network becomes a reality.

欧洲最大的高铁运营商预测，如果超高速铁路网络能够建成，其列车时速可高达250英里，那么英国国内的航空业将失去数百万的乘客。

youdao

Air Operated - Uses auxiliary compressed air or water source to shift valve, rather than a solenoid operator.

气动—使用辅助压缩空气或水的来源转变阀，而不是一个螺线管操作。

youdao

The Air Force \ 's Air Mobility Command allows a prospective boom operator to qualify by completing virtual missions in high-fidelity boom-operator training devices in lieu of onboard a KC-135.

如果训练者在KC - 135加油机上的高保真加油操作训练设备上完成了虚拟任务，就能获得美空军机动司令部授予的加油员资格。

youdao

Air traffic operator at Nottingham Airport, Dave Tower, said "aviators could become confused about who to call and what radio frequencies to use".

BBC: NEWS | UK | England | Leicestershire | Row over airport name change

Most unprepared of all was chief air-cargo operator HACTL, which was forced to stop processing freight at its spanking new Super Terminal 1.

CNN: A Date with Disaster

The Lufthansa group includes the world's largest maintenance company, the largest airline caterer (with 29% of the market), the leading air-cargo operator and a big systems company.

ECONOMIST: Flying in circles | The