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【简答题】
如图所示是直流电动机的原理图． （1）直流电动机的原理是______． （2）直流电动机工作时，将______能转化为______能． （3）图中的N、S叫做______，A、B叫做______，C、D叫做______，A、B和C、D组成了______．
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举一反三
【单选题】What is a software design notation?
A.
) Notes about the software design.
B.
) A graphical or textual description of the software.
C.
) Documentation of the software.
D.
) A systematic approach for producing a design.
【单选题】在EXCEL中,修改当前工作表“标签”名称,下列操作中( )不能实现。
A.
双击工作表“标签
B.
选择菜单“格式”中的“工作表”，再选择“重命名”
C.
选择“文件“菜单下的“重命名”
D.
鼠标右击工作表标签，选择“重命名”
【单选题】What are the two major software types?
A.
System analysis software and data warehousing software
B.
Operating system software and utilities software
C.
System software and application software
D.
Database management software and application software
【单选题】What is a software architecture?
A.
) The software inside a building.
B.
) The structure of a client/server system.
C.
) The overall structure of a software system.
D.
) The software classes and their relationships.
【简答题】What is required of AI software to save a life？
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