飞行员开始通过无线电发出指令，引导他安全着陆。
The pilot began to talk him down by giving instructions over the radio.
机械飞行控制系统已经被主动式电传飞行控制系统所取代，电传系统通过计算机来响应飞行员的操作指令，使操作更安全有效。
Mechanical systems have been replaced with electrically activated fly-by-wire controls that use computers to interpret the pilot's commands in the safest and most efficient way.
模拟器可以容纳两个飞行员（指令员和新手）和两位乘客。
Simulator is designed for two pilots (instructor and a beginner) and two passengers.
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