A simple formula for finding basic frequency is derived by use of relation of root and coefficient, and an example is enumerated to illustrate its application.
对特征方程利用根与系数的关系，导出了一个计算基频的简便公式，并结合实例说明其有一定的实用价值。
A simple formula for finding basic frequency is derived by use of relation of root and coefficient, and an example is enumerated to illustrate its application.
对特征方程利用根与系数的关系，导出了一个计算基频的简便公式，并结合实例说明其有一定的实用价值。
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