compression ratio of the engine
volume of the engine
relationships between pressure and volume during one stroke of the engine
relationships between pressure and volume during one cycle of the engine
第1题:
请说明逻辑数据流图(LogicalData Flow Diagram)和物理数据流图(PhysicalData Flow Diagram)之间的主要差别。
第2题:
A.A
B.B
C.C
D.D
第3题:
● 在UML的动态建模机制中, (34) 描述了对象之间动态的交互关系,还描述了交互的对象之间的静态链接关系,即同时反映系统的动态和静态特征。
(34)
A. 状态图(State Diagram)
B. 序列图(Sequence Diagram)
C. 协作图(Collaboration Diagram)
D. 活动图(Activity Diagram)
第4题:
第5题:
I hereby ______ that my vessel is fitted with a rudder angle indicator and an engine revolution indicator on the bridge in such a position that the pilot may read both without having to move away from his station; and that the rudder angle indicator and engine revolution indicator are in good working condition.
A.delay
B.state
C.delete
D.contain
第6题:
在使用UML建模时,若需要描述跨多个用例的单个对象的行为,使用______是最为合适的。
A.协作图(collaboration Diagram)
B.序列图(Sequence Diagram)
C.活动图(Activity Diagram)
D.状态图(Statechart Diagram)
第7题:
( )is used to model aggregates of information and the relationships these aggregates have to other.
A.Data flow diagram B.Entity relationship diagram C.Sequence diagram D.Structure diagram
第8题:
在使用UML建模时,若需要描述跨越多个用例的单个对象的行为,使用______是最为合适的。
A.协作图(Collaboration diagram)
B.序列图(Sequence Diagram)
C.活动图(Activity Diagram)
D.状态图(Statechart Diagram)
第9题:
A time diagram is a diagram on the plane of the ______.
A.celestial meridian
B.celestial equator
C.celestial horizon
D.principal vertical circle
第10题: