在飞机飞行期间请确保手机关机，起飞前关毕所有其他的电子设备。
Ensure your mobile phone is turned off throughout the flight and all other electronic equipment is off for take off.
应用于民用航空领域的远程遥测技术在飞机飞行时就将发动机运行状况和其他系统运行状况的数据发送回基地。
The telemetry used in civil aviation transmits data on engine performance and the behaviour of other systems back to base while the plane is in the air.
飞机在3 000米的高空飞行。
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