Vibrational characteristic of axial fan impeller is analyzed by composition unit method.

采用组合单元法分析了轴流通风机叶轮的振动特性。

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For this, it is indicated that it is practical to analyze impeller vibrating using composition unit method.

据此，指出了采用组合单元法分析叶轮振动是切实可行的好方法。

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Composition of the cruising system on HONDA CR-V, input signal test method of its cruising control unit, as well as test and maintenance methods of its components are introduced here.

介绍本田CR - V型汽车巡航系统的组成，巡航控制单元输入信号检测方法以及巡航系统部件的检查与维修方法。

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