可能为缩写或特定领域的术语
中文翻译：未明确给出具体的中文翻译
同义词：
['具体同义词需要更多上下文信息来确定，但可能包括“Flight Deck Environmental Control”等。']
例句：
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1. The FLDEC system is responsible for maintaining the cleanliness and temperature of the aircraft's cabin.
FLDEC系统负责维护飞机客舱的清洁度和温度。
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2. The pilots had to adjust their FLDEC settings to compensate for the sudden drop in airspeed.
飞行员不得不调整他们的FLDEC设置来补偿突然下降的空速。
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3. During maintenance, the technicians worked on the FLDEC systems to ensure they were functioning properly.
在维护期间，技术人员对FLDEC系统进行了工作，以确保它们正常工作。