aviation是什么意思？

The same year, the Federal Aviation Authority required that the boxes, which were never actually black, be painted orange or yellow to aid visibility.

Why did the Federal Aviation Authority require the black boxes be painted orange or yellow

the 20th century a highway, car, truck century—and the 21st century will increasingly be an aviation century, as the globe becomes increasingly connected by air, " Kasarda says.

The airlander will need to have 200 hours' flying time before being allowed to fly by the aviation administration.

Measuring emissions is not a precise science, particularly when it comes to issues surrounding land use; not all nations have released up-to-date data, and in any case, emissions from some sectors such as aviation are not included in national statistics.

Secretary Anthony Foxx, to talk about smart cities, and Federal Aviation Administration Administrator Michael Huerta, to talk about drones.

The other half will have to wait, as authorities of America's Federal Aviation Administration ( ' , FAA) and National Transportation Safety Board work out what went wrong.

Civilian aviation is being disrupted, not by the age-old desires for speed, romanticism and glamour, but by the pressing need to respond to a changing climate.

The other half will have to wait, as authorities of America's Federal Aviation Administration FA and National Transportation Safety Board work out what went wrong.