Left factors, left multiples and left roots of the polynomials over sfield are studed. Applications of derivative and left relative matrices are given.
考察了除环上的l多项式的左因式、左根与左倍式的性质，给出了导数与左结矩阵的应用。
The analysis indicates that the conditions of second derivative of the above relevant factors play an important role in the formation of great circle route.
本文研究表明，上述影响因素的二阶经向变率的存在条件对于“大圆路径”形成起了重要作用。
The factor of the mixed partial derivative term controls the grid orthogonality. The other two factors of second order partial derivative terms control the grid spacing.
结果表明 ：方程中混合偏导数项系数具有控制网格正交性的作用；
The factor of the mixed partial derivative term controls the grid orthogonality. The other two factors of second order partial derivative terms control the grid spacing.
结果表明 ：方程中混合偏导数项系数具有控制网格正交性的作用；
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