本文完成的工作有助于进一步深入研究含间隙机构的非线性振动特性，从而实现运动状态的控制。
The conclusions in this paper provide the valuable basis for the further study of the nonlinear vibration of mechanism with clearance and the control of the motion state.
本文给出了参激横摇运动非线性方程的频域解析解，分析了解的若干特性。
In this paper, analytical solutions of a nonlinear equation of parametric excited roll motion are given, and some features of the solutions are analysed.
本文研究了非线性洪水运动特性，提出了广义示储流量和示储水位概念，得出了河段水位与流量转换关系。
In this paper the nonlinear features of flood waves are discussed, the concepts of generalized average discharge and water-stage are given, and a new discharge-stage formula is derived.
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