电容器保护装置配置的保护功能中哪个保护动作后电容器仍可使用()A、欠电压保护B、过流

题型:单项选择题

问题:

电容器保护装置配置的保护功能中哪个保护动作后电容器仍可使用()

A、欠电压保护

B、过流Ⅰ段、过流Ⅱ段

C、不平衡电流

D、过电压保护

考点:电力系统调度运行考试电力系统调度运行考试题库
题型:单项选择题

小麦在春化阶段接受低温反应的器官是(),而在光照阶段接受日长反应的器官是()

题型:单项选择题

下列不属于包装的目的和意义的是()

A.价值增值

B.保护产品

C.便于储运

D.促进销售

题型:单项选择题

The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable (87) of the technical requirements for the software product.
During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform and each (88) that it must meet. The starting point is usually a set of high-level requirements from the (89) that describe the project or problem.
In either case, the requirements definition team formulates an overall concept for the system and the defines (90) showing how the system will be operated, publishes the system and operation concept documents, and conducts a system concept review (SCR).
Following the SCR, the team derives (91) requirements for the system from the highlevel requirements and the system operations concept. Using structured or object-oriented analysis,the team specifies the software functions and algorithms needed to satisfy each detailed requirements.

A. detailed B. outlined
C. totalD. complete

题型:单项选择题

当出现警戒“AVNCS SMOKE”,表示在电子设备通风排风管道内探测到烟雾,哪个系统页面会被自动选择()

A.引气

B.电源

C.增压

题型:单项选择题

温度越高,分子做()的速度就越大。

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