1. Definition：Black box recorder refers to a device used in an aircraft, ship or vehicle, which records data and voice during the operation of the vehicle or ship.
Example: The investigators found the black box recorder in the wreckage of the plane.
2. Types: There are two types of black box recorder: flight data recorder (FDR) and cockpit voice recorder (CVR).
Example: The flight data recorder (FDR) stores flight parameters such as altitude, airspeed, heading, vertical acceleration, and engine performance.
3. Importance: The black box recorder is important for accident investigation and improving the safety of the vehicle or ship.
Example: The black box recorder provides valuable information that can help prevent future accidents.
4. Regulations: There are international regulations that require all commercial aircraft to be equipped with black box recorders.
Example: The International Civil Aviation Organization requires all commercial aircraft to have both a flight data recorder and a cockpit voice recorder.
5. Limitations: The black box recorder has limitations and may not record all relevant information, such as the actions of the crew or the external environment.
Example: The black box recorder may not provide a complete picture of what happened during an accident.
中英例句：
1. The investigators were able to retrieve data from the black box recorder and determine the cause of the crash. 调查人员能够从黑匣子记录仪中恢复数据，并确定了事故原因。
2. The cockpit voice recorder captured the conversations between the pilots before the crash. 驾驶舱语音记录器记录了坠机前飞行员之间的对话。
3. The black box recorder is an essential tool for accident investigation. 黑匣子记录仪是事故调查的重要工具。
4. The regulations require all commercial aircraft to have a functioning black box recorder. 法规要求所有商业飞机都必须安装运行正常的黑匣子记录仪。
5. Despite its limitations, the black box recorder provides valuable information for improving aviation safety. 尽管存在局限性，黑匣子记录仪为改善航空安全提供了宝贵的信息。
中文翻译：黑匣子记录仪
读音：bɫæk bɒks rɪˈkɔrdər
例句：
1. The black box recorder is used to collect data during a plane crash to determine the cause of the accident. (黑匣子记录仪被用于在飞机坠毁时收集数据，以确定事故的原因。)
2. The car manufacturer installed a black box recorder in all their vehicles to gather information about crashes. (汽车制造商在所有车辆中安装了黑匣子记录仪，以收集有关交通事故的信息。)
3. Investigators are examining the data from the black box recorder to determine what happened in the train crash. (调查人员正在分析黑匣子记录仪中的数据，以确定火车事故的原因。)
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