Through the analysis of mechanic model of spline function, the paper proposed a simple, convenient and efficient sheet assimilative method based on finite element to calculate earthwork volume.
在分析样条函数的力学模型基础上，提出了一种根据地面标高利用薄板比拟法计算土方量的简便、实用、高效的方法。
The vector method represents the motion relations in functions so that it facilitates the application of either the whole - process analysis of mechanic motion or the computer - aided analysis.
矢量法给出的是运动关系的函数表达式，这给机构运动全过程分析及计算机辅助分析机构运动提供了便利。
This paper presents a mathematical and mechanic model for non-linear dynamicstability analysis of structures on the basis of Liapunov's stability criteria.
在李雅普诺夫稳定性准则的基础上导出了求解结构非线性动力稳定性分析的数学-力学模型。
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