The analytic ringfield plays an important role in the power expansion of analytic functions. In this paper the author presents a method for identifying the analytic ringfield of analytic functions.
函数的解析环域在幂级数展式中起着非常重要的作用，文章给出了确定函数解析环域的具体方法。
2
In computer field in the nowadays, the network safety is one of the most popular problem, but that the network defense on self's own initiative is that the network safety is important one ring then.
在当今计算机领域中，网络安全是最热门的课题之一，而网络主动防御则是网络安全重要的一环。
3
Near the end of the expansion phase, the ring of plasma breaks open, and some of the plasma appears to escape the pull of the magnetic field loop.