... –同种类单元又有很多 变化：There are many variations within a family. ? 自由度数目 Degrees of freedom ?公式 Formulation ...
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总的自由度数目是六个。
用质量凝聚技巧，使动力分析的自由度数目大为减少。
By using the so called mass condensation technique, the number of the degrees of freedom in dynamic analysis is reduced greatly.
由此明显可见，样条模型法能缩减系统的自由度数目并保证求解有足够的精度。
It is soon evidently that the spline model method can reduce the degrees of freedom of a system and en - sure a sufficiently accurate solution.
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