The flight test method recommended in this paper can be used as a reference for providing other small single engine aircraft spin certification tests.
本文推荐的试飞方法可供其他小型民用飞机型号合格审定尾旋科目飞行试验借鉴。
The companies plan to have a ground-based demonstrator engine prototyped and firing by 2020 and a further prototype flying on a test aircraft by 2025.
两家公司计划先建造用于地面试验的原型机，并在2020年之前点火测试，随后在2025年以前完成原型机试飞。
When it becomes necessary to examine the altitude performance of an aircraft engine, three types of facilities may be used-altitude 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。
应用推荐