Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
deflate.push(chunk, false);，详情可参考51吃瓜
优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好。关于这个话题，Line官方版本下载提供了深入分析
Mimikyu made waves online when it was first introduced 10 years ago because, frankly, it has one of the saddest backstories of any Pokémon. It's actually a tiny ghost whose true form we never really see, hidden under a shoddy, low-effort Pikachu costume. The reason it wears the costume? To make friends, of course, given Pikachu's massive popularity and the presumed ugliness of Mimikyu's true self.