名词
中文翻译：回扫
同义词：
['flyback sweep', 'flyback sweep action']
例句：
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1. The engineer performed a flyback sweep to ensure the safety of the machinery.
工程师进行了一次回扫，以确保机械的安全。
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2. During the test, the pilot executed a flyback sweep to evaluate the aircraft's performance.
在测试期间，飞行员执行了一次回扫，以评估飞机的性能。
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3. The technician conducted a flyback sweep to identify any potential issues with the system.
技术员进行了一次回扫，以识别系统的潜在问题。