The test pilots put the new planes through their paces.
试验飞行员表演新型飞机的性能.
Test pilots try to push the envelope.
试飞员试图把飞机开到极速.
Besides, practical test indicates the practicability of these models which provide the position and other navigation parameters for pilots in the process of flight simulation training and also make access to established courses.
经实际调试证明了该模型具有一定实用性,实现了为飞行员提供模拟飞行中的位置及其航行参数并导引飞机沿既定航线飞行的功能。
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