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【单选题】
零件按用途分专用零件和A.
通用零件
B.
轴套类零件
C.
盘类零件
D.
箱体类零件
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【简答题】试求图示所示电路输出电压与输入电压的运算关系式。
【简答题】Please translate THE ARGUMENT in the paper Breslau, D., & Yonay, Y. (1999). Beyond metaphor: Mathematical models in economics as empirical research. Science in Context, 12(2), 317-332. into Chinese. B...
【单选题】UML models include:
A.
state models
B.
state change models
C.
behavior models
D.
all of the above
【单选题】Economics proceeds by making models of ( ), which are simplified representations of reality.
A.
social phenomena
B.
people’s imagination
C.
stories
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