A、 If an AC circuit consists of resistance only,the value of the impedance is the same as the resistance.
B、 If an AC circuit consists of impedance only, the value of the capacitance is the same as the impedance.
C、 If an DC circuit has capacitance only,the value of the resistance is the same as the capacitance.
答案:A
A、 If an AC circuit consists of resistance only,the value of the impedance is the same as the resistance.
B、 If an AC circuit consists of impedance only, the value of the capacitance is the same as the impedance.
C、 If an DC circuit has capacitance only,the value of the resistance is the same as the capacitance.
答案:A
A. In the remaining parts of the text, the related approved abbreviations are used.
B. ln the attached parts of the text, the related disapproved abbreviations are used.
C. ln the remaining parts of the text, the related approved abstracts are used.
A. 如何识别这些故障,排故信息以及这些故障的补救措施应该提供
B. 此规章应提供可能故障的排故信息,以及对这些故障的补救措施
C. 应提供描述可能故障的排故信息,如何识别这些故障,以及针对那些故障的纠正措施
A. 组件延伸至壳体,安装并连接在通信控制组件上。
B. 组件延伸至壳体组件,并与伸缩控制组件相连。
C. 组件延伸至壳体组件,并与通讯控制组件相连。
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. Print all pages besides wiring diagrams and foldouts on both sides.
B. Print all pages other than wiring diagrams and foldouts on both sides.
C. Print all pages no more than wiring diagrams and foldouts on both sides.
A. Visual difference is acceptable between the previous surface and the new surface.
B. There should be no visual difference between the initial surface finish and the new surface finish.
C. It is forbidden to have acoustic difference between the former surface finish and the new surface finish.
A. The manufacturer couldn’t 't decide the information to be included on the cover.
B. The information to be included on the cover will be decided by the manufacturer.
C. The information is included on the left side of the cover by the manufacturer.
A. The data may be supplemented by brief descriptions of additional Characteristics or features if desired.
B. If necessary ,the detail may supplement some simple descriptions of additional characteristics or properties.
C. lf desired. The detail may be added by simple presentations of additional values or properties.
A. 不论怎样的“危机”大多数总是会出现需要马上快速反应的故障,比如全动力故障,着火或烟雾,或者客舱的
快速释压。
B. 可是一个“危急情况”几乎总伴随着故障,需要立即快速反馈,比如一个动力装置故障, 着火或烟雾,或快
速客舱减压。
C. 然而,紧急情况”几乎总是涉及需要立即和快速响应的故障,如整个动力装置失效,火灾或烟雾,或座舱快
速失压。
A. All the related data shall be grouped in a logical manner.
B. A logical method is required to group the unconcerned data together.
C. Divide all the involved data into groups logically.