Functional test should contain all necessary information to perform proficiency tests to maintain system or unit reliability at an acceptable level, without reference to additional documents.

A. 陀螺仪将在大约15秒后变得稳定。

B. 地球仪将在大约15秒后变得稳定。

C. 地球仪将在大约15秒后变得稳定。

A. 这种冷却剂与金属不兼容。

B. 这种冷却剂与铝合金不兼容。

C. 这种冷却剂与钛合金不兼容。

A. That section of the systems which controls the position and rotation of the trailing edge flaps.

B. That portion of the systems which controls the position and movement of the trailing edge flaps.

C. That part of the systems which controls the position and rotation of the flaps.

A. 确保电门在所有面板中设为正确的状态。

B. 确保每个面板中电门指示灯的处于关掉状态。

C. 确保每个面板中的电门设置为关闭状态。

A. That portion of the system is used to control the direction of movement of the aircraft off the ground, including items such as shock strut, controls, bogie swivel unlock, etc.

B. That portion of the system is used to control the direction of movement of the aircraft on the ground, including items such as skid blocks, controls, bogie swivel unlock, etc.

C. That portion of the system is used to control the direction of movement of the aircraft on the ground, including items such as actuating cylinders, controls, bogie swivel unlock, etc.

A. They comprise the three parts as follows:tail assembly,the structures at the rear of the airplane ,structures forming part of and attached to the wing.

B. They include three parts,one of them is tail assembly,one of them is the structures part at the rear of the airplane,one of them is structures part that forming part of and attached to the wing.

C. They include two parts,one of them is tail assembly at the rear of the airplane that serve to control and maneuver the aircraft,another of them is structures part that forming part of and attached to the wing.

A. 当自动驾驶仪接通时，声音警告模块发出声音警告，自动驾驶状态信号器(ASA)上的红色A/P灯闪烁。

B. 当自动飞行系统被断开时，自动飞行状态信号灯(ASA)上的红色A/P信号闪烁，从而可以听到声音警告模块发出声音警告。

C. 当自动驾驶断开时，声音警告模块发出声音警告，自动飞行状态指示器(ASA)上的红色A/P灯闪烁。

A. This module gives good procession from defect.

B. This metal gives good protection from erosion.

C. This material gives good protection from corrosion.

A. 移动装有隔热毯的喷射管或排气锥时要小心。

B. 当你移动喷气式管道或带有绝缘垫的排气孔时要小心。

C. 小心地移动发射管或排气口的保温垫。

A. 环境控制系统的这些单元和组件提供了一种加压、加热、冷却、湿度控制、过滤和处理通风区域内用于通风的空气的手段，包括压力密封部分内的区域。

B. 环境控制系统由具有提供座舱增压、加热、冷却、湿度控制、过滤和处理用来在机身密封舱内的通风空气功能的组件和部件构成。

C. 环境控制系统由具有提供座舱增压、加热、冷却、湿度控制、过滤和处理用来在机身密封舱内的循环空气功能的组件和部件构成。