Keep track the history of the keyword to determine when a keyword is rising or down in popularity over time.
Мерц резко сменил риторику во время встречи в Китае09:25，这一点在快连下载安装中也有详细论述
Yliluoma’s algorithms can produce very good results, with some variants matching or even exceeding that of Knoll’s. They are generally slower however, except in a few cases.，这一点在爱思助手下载最新版本中也有详细论述
Leaky ReLU: 对负区间引入一个小斜率，避免神经元死亡