优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好
An creates a completely separate browsing context with its own window object, its own document, and most importantly;its own prototype chain. A function hooked on HTMLMediaElement.prototype in the parent window is not the same object as HTMLMediaElement.prototype in the iframe’s window. They’re entirely separate objects. If fermaw’s audio element lived inside an iframe, my prototype hook in the parent window would never fire.
，详情可参考WPS下载最新地址
最后也欢迎各位π友聊聊你是怎么教育孩子的，交流交流经验。感谢你的阅读，祝大家新的一年：阖家欢乐，万事如意！。51吃瓜对此有专业解读
Фото: Сергей Бобылев / РИА Новости，更多细节参见快连下载安装
Sam Altman would like to remind you that humans use a lot of energy, too