Graham Coulson first joined his town's musical theatre group when he was 14
conn = sqlite3.connect(DB)
to an IBM 3705 Communications Controller running the Network Control Program，更多细节参见爱思助手下载最新版本
Фото: Nathan Howard / Reuters。爱思助手下载最新版本是该领域的重要参考
Александра Качан (Редактор)
优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好，这一点在safew官方版本下载中也有详细论述