【单选题】【消耗次数:1】
在控制电路中,如果两个常开触点串联,则它们是( )。
与逻辑关系
或逻辑关系
非逻辑关系
与非逻辑关系
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相关题目
【判断题】 正逻辑系统中的与非逻辑关系等价于负逻辑系统中的或非逻辑关系
①  正确
②  错误
【单选题】 能实现与逻辑关系的电路称为与逻辑门电路,简称与门电路。
① 
② 
【判断题】 逻辑关系的辨识可以包括纵向和横向两个层面。
①  正确
②  错误
【单选题】 “were this to happen”是表示什么逻辑关系的?
①  A.条件
②  B.转折
③  C.因果
【单选题】 ()是指识别与记载计划活动之间的逻辑关系。
①  活动排序
②  组织过程资产
③  项目范围说明书
④  工作计划
【单选题】 以下任何两个结点之间都没有逻辑关系的是( )。
①  图形结构
②  线性结构
③  树形结构
④  集合
【单选题】 工艺顺序和逻辑关系,还应注意编号顺序:()
①  自由向左编号
②  自左向右编号
③  自中间向两边编号
④  从大到小编号
【简答题】 什么是双代号网络图的逻辑关系?
【判断题】 虚箭线在双代号网络图中表示逻辑关系。()
①  正确
②  错误
【多选题】 论证方法就是揭示论点和论据之间的逻辑关系,亦即()
①  摆事实
②  讲道理
③  其他
随机题目
【单选题】 I noticed her ____ a pen from the ground.
①  to pick out
②  to pick up
③  pick out
④  pick up
【单选题】 The decision to quit school at that young age is, ____, the most stupid thing I have ever done.
①  by comparison
②  in retrospect
③  at first sight
④  at times
【单选题】 Hed had more than enough practice to become a(n ) ____.
①  special
②  skill
③  profession
④  expert
【单选题】 It was clear that much of what he said was far ____ the truth.
①  for
②  from
③  at
④  to
【单选题】 She is studying medical science now, but she ____ a lawyer.
①  would be
②  used to be
③  formerly were
④  had been
【单选题】 I wonder what he does for a ____.
①  life
②  live
③  liveing
④  living
【单选题】 ____ it was finished in time.?
①  As the work was difficult ?
②  Difficult as the work was?
③  Difficult as was the work ?
④  As was the work difficult?
【单选题】 When we came back, he found his bicycle ____
①  was stolen
②  had stolen
③  had been stolen
④  is stolen
【单选题】 ____ his illness, he came to the meeting.
①  Though
②  Because
③  Despite
④  Therefore
【单选题】 The doctors give the students a medical____ for their health once a year.
①  inspection
②  investigation
③  experiment
④  examination