如果不确定用哪个激活函数，隐藏层可以先用 ReLU，输出层按任务选择；训练中注意梯度情况，如果梯度消失或爆炸，再考虑替换或调整激活函数。
南方周末：宣布结果之后，你的第一反应是抓了一下头发，看起来有些不知所措。
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54。业内人士推荐WPS下载最新地址作为进阶阅读
From a very young age, Eileen Collins wanted to be an astronaut。业内人士推荐搜狗输入法2026作为进阶阅读
Фото: Артем Соболев / Коммерсантъ
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