人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
self.sleep_min = 0.2
。Line官方版本下载对此有专业解读
优点：计算简单，导数恒为1（正区间），缓解梯度消失，更多细节参见同城约会
Health Secretary Wes Streeting says resident doctors have received the largest pay rises of any public sector employees over the last three years, totalling nearly 30%. He insists the government will not offer any further increases.，推荐阅读同城约会获取更多信息
_defineProperty(fake, 'toString', {