飞行试验台 meaning in English

flying bedstead

Flying test beds are selected as early flight aircraft for a number of reasons .
选择飞行试验台作为早期试飞的飞机是有很多理由的。
When it becomes necessary to examine the altitude performance of an aircraft engine, three types of facilities may be usedaltitude wind tunnels, altitude test beds and flying test beds .
当需要考察一台航空发动机的高空性能时，可以利用三种型式的设备，即高空风洞、高空试验台和飞行试验台。
Boeing has a flying testbed with a full avionics suite to help us
波音公司有一套配有完整航空电子配件的飞行试验台在帮助我们。