从理论上推导了声压和质点振速之间的相关方程组。
The correlation equations of pressure and velocity are deduced.
对方程组的周期系数处理以及前飞时的相关参数对旋翼动稳定性的影响等进行了研究。
The treatment of equations with periodic coefficients and the influence of related parameters on rotor dynamic stability were investigated.
将行列式的值、矩阵的秩、齐次线性方程组的解等知识运用于向量组线性相关性判定，归纳出六种判定向量组线性相关性的方法。
The judging methods of the vectors group related dependence from determinant values, rank of matrix, solution of system of linear equations etc were studied.
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