1389.These two groups explored the existing controlled languages and researched texts in several maintenance manuals.The results confirmed that a simplified language was necessary.

A. After finishing the following procedure,repair the upper flange.

B. Repair the lower flange first during the procedure that follows.

C. Repair the upper flange first during the following procedure.

A. Utilizing an airplane as intended by the manufacturer and sound inspection and maintenance practices is basis that assures the airplane remains airworthy and safe to operate.

B. One of the basis for assuring the airplane remains airworthy and safe to operate is sound inspection and maintenance practices and forms.

C. Utilizing an airplane as intended by the manufacturer is the only basis for assuring the airplane remains airworthy and safe to operate.

A. 标准化将通过对根据本规范制定的持续适航程序中所包含的检查要求的统一解释来提高安全性。

B. 标准化通过统一检查包含在持续适航程序中准备的相应规范来增强安全性。

C. 通过对符合本规范的持续适航程序中的检查要求进行一致性验证,标准化将提高安全性。

D. C.通过对符合本规范的持续适航程序中的检查要求进行一致性验证,标准化将提高安全性。

A. 系统中的流应该以不同图案的底纹展现,其线条应尽少拐弯。

B. 系统的箭头应该用具有最小变换的线路样式来标记。

C. 用最少弯折的管路在固定模式下的阴影部分展示系统的流通。

A. 描述飞机仪表面板时,应命名并说明面板上的仪表、灯光、电门和控件的使用。

B. 描述飞机仪表面板时,应明确面板上各个仪表、灯、开关和控制按钮的名称,并描述各自操作方法。

C. 描述飞机仪表面板时,应命名并说明台板上的仪器、灯光、电门和控件的使用。

D. C.描述飞机仪表面板时,应命名并说明台板上的仪器、灯光、电门和控件的使用。

A. 供给系统有这些用处。

B. 分散系统有这些功能。

C. 分配系统有这些功能。

A. The pitot tube is on the external forward part of the airplane.

B. You may find the pitot probe on the front internal side of the fuselage.

C. The pitot probes are located on the forward external part of the airplane.

A. Airplane primary data should be displayed neither in graphs and tables.

B. Airplane behavior data shall be predicted in both graphical and tabular formats.

C. Aircraft performance parameters can be represented graphically or in tables.

A. 将要测试的这个系统在上个航段运转不正常。

B. 该系统要测试上一航段的不正常运行。

C. 在上一航段里该系统被测试为运行不正常。

A. The seat shall be lifted to leave the track locked.

B. Lift the seat until it is away from the track locks.

C. Eject the seat until it is isolated from the track locks.