A、 That portion of the system which use voice adjust electromagnetic beam to transmit and/or receive messages from air-to-air, or air-to-ground installations.
B、 That part of the system which utilizes sound modulated electro solenoid waves to transmit and/or receive messages from air-to-air, or air-to-ground installations.
C、 That portion of the system which utilizes voice modulated electromagnetic waves to transmit and/or receive messages from air-to-air, or air- to-ground installations.
答案：C
A、 That portion of the system which use voice adjust electromagnetic beam to transmit and/or receive messages from air-to-air, or air-to-ground installations.
B、 That part of the system which utilizes sound modulated electro solenoid waves to transmit and/or receive messages from air-to-air, or air-to-ground installations.
C、 That portion of the system which utilizes voice modulated electromagnetic waves to transmit and/or receive messages from air-to-air, or air- to-ground installations.
答案：C
A. These instructions are required for towing aircraft in normal or abnormal conditions, such as from soft ground,wet or icy surfaces and in the case of engine is removing or aircraft is damaging.
B. These instructions are necessary for towing the aircraft under normal or abnormal conditions, such as from a wet or icy surface on a soft ground and when the engine is removed or the aircraft is damaged.
C. These instructions are necessary to tow or push the aircraft in normal or abnormal conditions such as towing from soft ground and slippery or icy surfaces,with engines removed, or aircraft damaged.
A. During an in-flight start, the EEC selects either ignition exciter to get power.
B. If the engine need to start in flight, the EEC will selects both ignition exciters to get power.
C. During an in-flight start, one ignition exciter is active and the other one standby.
A. 只要能简化、缩短或使文本更容易理解,就应该使用插图。
B. 无论何时都应该使用插图让文本更简洁、短小或使文本更易理解。
C. 应该使用插图当它们能简化、缩短或使文本更容易理解时。
A. When you need to understand a schematic diagram, use arrows to indicate flow orienting.
B. Arrows shall be used to indicate flow ends when needed to understand the schematic diagram.
C. When need to comprehend the chart, you should use arrows point to the direction.
A. 使用具有良好硬度特性和足够重量和质量的白纸,以消除双面打印时透视显示。
B. 使用具有良好力量特性和足够重量和质量的白纸,以消除双面打印时透视显示。
C. 使用具有良好强度特性和足够重量和质量的白纸,以消除双面打印时透视显示。
A. 仅B747刚引进时期,每个月就有4000页必须从手册中删减或增加进手册。
B. 在B747引进时期,仅每个月必须替换或增补的手册就有4000页以上。
C. 在B747刚引进的阶段,仅一个月就需要更换或增加约4000页到手册中。
A. 只有经过授权的人员方可以留在该区域
B. 只有经过改装的人员方可以留在该区域
C. 只有经过检验的人员方可以留在该区域
A. Remove the safety clips and tags.
B. Remove the safe clips and tags.
C. Remove the safety clips and label.
A. DISCHARGES
B. EMITS
C. TRANSMITS
A. 冲击载荷会导致发动机发生冲击损伤。
B. 重着陆会导致发动机发生冲击载荷。
C. 飞机载重过太会导致发动机着陆时受到冲击。
