imaginary root vector 虚根向量
imaginary root system 虚根系
special imaginary root 特殊虚根
minimal imaginary root 极小虚根
strictly imaginary root 严格虚根
imaginary y root 虚根
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If you had one negative number in it, then the product would be a negative number and, if you took a root of that, then you might get an imaginary number.
如果这当中有一个负数,乘积就会变成负的,如果你对一个负数开根号,你就会得到一个虚数
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An imaginary one is a multiple of the square root of -1.
ECONOMIST: Beno?t Mandelbrot
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