complex number的用法和样例：

例句

Quaternions were originally invented as an extension to complex numbers.四元数最早是为了扩展复数应用而产生与发展起来的。
The angle made with the positive horizontal axis by the vector representation of a complex number.幅角代表一个复数的矢量与正实轴之间的夹角。

【近义词】

complex quantity复量
imaginary number[数]虚数
imaginary想象的

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