644.THE SYSTEM IS HYDRAULICALLY OPERATED AND ELECTRICALLY ( ).

A. 　 用螺母将面板固定在支架上。

B. 　 用螺栓将面板固定在机构上。

C. 　 用螺栓将面板固定在支架上。

A. 　TWINKLE

B. 　FLASH

C. 　SPARKLE

A. 　把车拖到安全的地方,在那里可以使用标准程序。

B. 　拉动车到安全的区域,你可以使用标准过程。

C. 　把车拖到平坦的地方,在那里可以使用标准程序。

A. 　INCIDENT

B. 　THING

C. 　IN FACT

A. 　When making this specification,the rules are generally refer to the
rules that used by FAA in making its rules .

B. 　When making this specification,we use the exact identical construction
rules with FAA in making its specifications.

C. 　The rules of construction followed in the preparation of this
specification are the same as generally used by the FAA in the preparation
of its rules.

A. 　Where schematic diagrams are complex by virtue of automatic features
or articulated controls in the subject system, these characteristics
should be pointed by means of explanatory text in the diagram, or in the
accompanying text,or both.

B. 　Where schematic diagrams are complex by venture of automatic characters
or articulated controls in the subject system, these characteristics
should be pointed at by means of apparent text in the diagram, or in the
accompanying text,or both.

C. 　Where schematic diagrams are complex by virtue of automatic features
or interrelated controls in the subject system, these characteristics
should be pointed out by means of explanatory text in the diagram, or in
the accompanying text,or both.

A. 　ADHERE

B. 　FOLLOW

C. 　OBEY

A. 　LOOK

B. 　SEE

C. 　WATCH

A. 　安装或重新激活程序与拆除或失效程序相反的说法是不被接受的。

B. 　安装或重新拆除程序与拆除或失效程序相反的说法是不具说服力的。

C. 　安装或重新激活程序与拆除或失效程序相反的说法是被禁止的。

A. 　只要可行,每个符号在物理上都应类似于示意图中描述的实际系统组件。

B. 　无论是否可行,每个标志在理论上都应与示意图中描述的实际系统组件一致。

C. 　只要实际可以使用,每个标记在物理上都应完全和示意图中描述的实际系统组
件相同。