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【简答题】
活动对象之间发送的(  )是顺序图的关键。消息说明了对象之间的控制流,对象是如何交互的。消息一旦发送便将控制从源对象转移到目标对象。顺序图中,消息的阅读顺序是严格自上而下的。 A. 消息
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举一反三
【多选题】轴套类零件各轴上的结构常采用()来表示,较长的轴线采用断裂画法,以缩短占有图画的长度。
A.
移出剖面
B.
移出剖视
C.
斜视图
D.
局部放大
E.
局部剖视
F.
旋转剖视
【判断题】轴套类零件图的视图表达方法通常采用视图、剖视图、断面图、局部放大图等。
A.
正确
B.
错误
【单选题】轴类零件采用的断面图是
A.
移出断面
B.
重合断面
【简答题】边界网关协议BGP中是通过 来互相交换网络可达性的信息。
【简答题】读零件图,并回答问题。 ( 1 )该零件为 类零件,主视图符合零件的主要加工位置。 ( 2 )除主视图外,采用断面图表示内部结构,采用 图表示退刀槽结构。 ( 3 )主视图中的细虚线表示零件上有 2 个键槽,其深度为 。 ( 4 ) £ 36 方孔定位尺寸为 。 ( 5 )轴向主要基准为 。
【单选题】Decades ago, Kodak anticipated that digital photography would overtake film — and in fact, Kodak invented the first digital camera in 1975 — but in a fateful decision, the company chose to shelf its n...
A.
concentrate on
B.
invest on
C.
pay attention to
D.
devote itself to
【单选题】Decades ago, Kodak anticipated that digital photography would overtake film--and in fact, Kodak invented the first digital camera in1975--but in a fateful decision, the company chose to shelf its new ...
A.
to compete with
B.
to catch up
C.
to replace
D.
to incorporate
【多选题】轴类零件常采用的两种表达方式( )。
A.
局部剖
B.
断面图
C.
全剖
D.
半剖
E.
局部视图
F.
斜视图
G.
阶梯剖
【单选题】Decades ago, Kodak _________that digital photography would overtake film.
A.
anticipated
B.
induced
C.
elaborated
D.
Infrared
【单选题】1-9复杂句分析 Decades ago, Kodak anticipated that digital photography would overtake film — and in fact, Kodak invented the first digital camera in 1975 — but in a fateful decision, the company chose to sh...
A.
Kodak anticipated , but the company chose to shelf its new discovery to focus on its traditional film business.
B.
Kodak anticipated that digital photography would overtake film.
C.
Kodak anticipated that digital photography would overtake film, but the company chose to shelf its new discovery to focus on its traditional film business.
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