根据对称性，在任意一个自由度方向将惯性稳定平台简化为单自由度系统。
According to symmetry, at arbitrary degree of freedom, inertial stabilization platform was simplified to one degree of freedom.
本文对外动力式双关节单自由度下肢截瘫步行器的助行机理和设计方法进行了研究，论述了研究截瘫步行器的必要性和可行性。
The principle and designing of a new kind of walking device with two joints of single degree of freedom are presented in this paper.
从单自由度振动的可靠性分析推至多自由度振动的可靠性分析。
The analysis both of single degree of freedom and of multi-degree of freedom was investigated.
从单自由度振动的可靠性分析推至多自由度振动的可靠性分析。
The analysis both of single degree of freedom and of multi-degree of freedom was investigated.
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