缺点：负区间可能“死亡”，即神经元永远不激活
Episode details。快连下载安装是该领域的重要参考
，这一点在safew官方下载中也有详细论述
Influence Flower (What are Influence Flowers?)。业内人士推荐safew官方版本下载作为进阶阅读
"You kind of sit and think, 'Oh, isn't technology great', until you have to do the traditional old thing of actually phoning somebody."