第三章单元测试
- If a flow is unsteady, its ____ may change with time at a given location.（ ）。
- If the flow is steady, there can be changes in velocity at different locations in the flow field, True or False?（ ）
- An acceleration field is a function of ____ and ____ without actually following any particular particle. ____，____。
- What is a streamline?
- Which is the more commonly used method to describe fluid motion, Lagrangian or Eulerian?
A:Velocity
B:All of the above
C:Temperature
D:Density
答案:All of the above
A:错 B:对
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