That is the so-called fundamental theorem of algebra. 这就是代数基本定理。
The second fundamental theorem of algebroidal functions is fundamental and important, but it is about constant numbers, and its applicative area has a limit. 摘要代数体函数的第二基本定理是一个基本而重要的定理,但它是关于常数的,其适用范围有局限性。