如果担心 ReLU 死神经元，可尝试 Leaky ReLU 或 ELU
How is a user supposed to understand that they are potentially blowing away photos of deceased relatives, an encrypted property deed, or their digital currency?
，详情可参考im钱包官方下载
Цены на нефть взлетели до максимума за полгода17:55
int right = 2 * i + 2; // 右子节点