利用模态综合法描述了柔性支腿的变形，探讨了建模过程中部件模态集的选取原则及正交化处理技术。

Deformation of flexible legs is defined by mode synthesis method, and the principle of mode selection and orthogonalization during modeling are discussed.

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在模态试验的基础上，用模态综合及复模态方法分析了汽车制动时鼓式制动器的尖叫特性。

On the basis of modaling experiments, the squealing characteristic of drum brake, when motor vehicle is being braked, is studied by applying modal synthesis and complex modaling methods.

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