The mathematician invented a complex number system.

那位数学家发明了一套复杂的数字系统。

youdao

If the argument is a complex number, its magnitude is returned.

当参数是一个复数时，将返回它的幅值。

youdao

If the argument is a complex number, its magnitude is returned.

当参数是一个复数时，将返回它的幅值。

youdao