优点：计算简单，导数恒为1（正区间），缓解梯度消失
Credit: Timothy Werth / Mashable
，更多细节参见同城约会
飞檐翘角、灯笼高挂，中国传统风格装饰的市集里一片热闹喜庆，中沙两国文化、艺术与美食同场呈现。日前，由中国文化和旅游部与沙特文化部联合举办的“文化市集”活动在沙特首都利雅得举办，吸引众多观众。。heLLoword翻译官方下载对此有专业解读
In an internet where you’re more likely to interact with bots than actual humans online, while children become more technologically savvy everyday and can navigate phones better than they can bikes, social media platforms are looking for ways to balance keeping people’s privacy top of mind while ensuring the safety of their underage users. Unfortunately, these two parameters often come in contradiction with one another, and the lack of government oversight means there’s little incentive for these companies to pursue anything more than keeping the status quo.。关于这个话题，服务器推荐提供了深入分析