She failed to go into space because she hadn't gone through jet-aircraft testing.

她没有进入太空是因为她没有参加喷气机测试。

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It will review issues including the testing methods aircraft operators use to determine which new technologies passengers can safely use aboard aircraft and when they can use them.

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To save manpower, the FAA designates employees at aircraft makers to oversee the safety testing of new planes.

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In recent years, the FAA has relied to a greater extent on designated employees of aircraft makers to conduct the safety testing necessary of certification.

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