3249. Dual-loop systems automatically perform the loop switching and decision-making function required of the flight crew upon appearance of the fault indication in the cockpit, a function called automatic self-interrogation

双环路系统按照机组的要求执行回路切换和决断功能,当驾驶舱出现故障指示时,该功能被称为自动自询;

当驾驶舱出现故障指示时,双环路系统自动执行本应由机组作出的回路切换和决断功能,该功能被称为自动自询;

当驾驶舱出现故障指示时,双环路系统自动执行机组所需的回路开关和判断功能,该功能被称为自动自询;

正确答案：B

设备系统操作理论翻译

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114. 高度和决断高度数据显示在主飞行显示器,多功能控制显示组件可选择并读取决断高度。

113. The effect of weight should also be scheduled if it significantly affect cruise performance

112. If the light is too dim, replace the battery

111. Use a drill bit that has a maximum length of 45 mm

110. 列出每个故障的可能原因的第一步是显示系统的哪些部分可能出现故障。

109. The fuel quantity processor unit sends excitation to and receives signals from the tank units and the compensators

108. Engine-driven pumps are primary pumps which run continuously when they are turned on

107. Identify the bell crank and shaft with marks to prevent incorrect installation

106. Refer to detail C on fig4 for a different procedure to attach the cable

105. When you use an approved word, make sure that you only use it as that part of speech