纯虚数
chún xū shù
- pure imaginary number
纯虚数
纯虚数[chún xū shù]
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当指数α为纯虚数时，无穷多值是孤立点集并分布在射线上。
If α is a pure imaginary number , the values form an isolated set and are distributed on a ray .
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它证明任何的零点必须是纯虚数。
It shows that any zero must be pure imaginary .
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考察具有一对共轭纯虚数特征值的二维非线性临界解析动态系统的局部渐近稳定性。
The locally asymptotic stability of a2-dimension nonlinear analytic dynamic system with a pair of conjugated imaginary eigenvalues is studied .