We will continue to validate new, complex aircraft and air traffic control systems to ensure that they meet extremely high safety levels.
我们将继续制造新型、复杂的飞机和空中交通管制系统，以保证它们能够符合更高的安全水平。
These trials of the UAV, which operates with dual payloads, will continue into 2009, and will validate the key mission system capability of the Watchkeeper system.
“守望者”无人机将进行一系列操作在双载荷下的飞行试验，这些试验将持续至2009年，将有效验证无人机系统的关键作战系统能力。
These trials of the UAV, which operates with dual payloads, will continue into 2009, and will validate the key mission system capability of the Watchkeeper system.
“守望者”无人机将进行一系列操作在双载荷下的飞行试验，这些试验将持续至2009年，将有效验证无人机系统的关键作战系统能力。
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