A、 Record the results if the frequency changes.
B、 Alter the phase and record the results.
C、 Change the frequency and record the results.
答案：C
A、 Record the results if the frequency changes.
B、 Alter the phase and record the results.
C、 Change the frequency and record the results.
答案：C
A. instruments are delicate precision devices and calibrited used to measuring electrical .All instruments should be periodically checked for accuracy by the manufacturer or by some shop approved by manufacturer.
B. instruments are delicate precision devices and calibrited used to measuring electrical .All instruments should be continuously checked for correct by the manufacturer or by some shop autherized by manufacturer.
C. Electrical measuring instruments are delicate precision devices and calibrited.All instruments should be periodically checked for accuracy by the manufacturer or by some shop approved by manufacturer.
A. 确保皮托管温度增加至500摄氏度以上。
B. 确保机外环境温度增加500摄氏度。
C. 确保探头温度增加至500摄氏度以上。
A. 数据应能够显示外界空气温度、高度、重量和风与着陆距离的关系。应包括地面滑跑和飞越50英尺障碍物的总距离。应给出为获得总距离所需的50英尺高度点上的速度。
B. 数据应显示为着陆距离与外部气温、高度、重量和风的关系。应包括地面滑跑和飞越50英尺障碍物的总距离。应给出在50英尺高度点达到总距离的速度。
C. 数据应能够显示外界空气温度、高度、重量和风与着陆距离的关系。 应包括着陆滑跑距离和从离地 50 英尺到着陆完全停止所需的总着陆距离。应给出飞机飞抵50 英尺高时的速度。
A. The APU fire alarm system accumulates the same fire alarm in the flight deck as in the engine.
B. The APU fire warning system actuates the same fire warning in the flight compartment as the engines.
C. The APU fire warning system activates the same fire warning in the cockpit as for the engines.
A. 我们建议你不要在机库里执行此步骤。
B. 我们建议你不要在车间里执行此程序。
C. 我们推荐你不要在吊具上执行此过程。
A. That portion of the system is used to perform the cranking portion of the starting operation.
B. That portion of the system is used to perform the igniting portion of the starting operation.
C. That portion of the system is used to perform the cranking portion of the igniting operation.
A. 测量跑道灯连接的电阻。
B. 校准跑道灯连接的电阻。
C. 复核跑道灯连接的电阻。
A. Identify the disassembled parts with tags.
B. To notice the removed parts with the lable.
C. To mark the assembled parts with the cards.
A. 座椅锁定高度装置控制了座椅高度。
B. 座椅长度锁装置控制座椅长度。
C. 座椅高度锁机械装置控制座椅高度。
A. The turbines are used to extract energy from the exhaust gases and are coupled to the crankshaft.
B. The turbines can drive energy to exhaust gas and connects crankshaft.
C. The turbines can extract energy from the exhaust gases and drive the crankshaft.
