The latest rush of docudramas seems to suggest that anyone in the public eye must expect a degree of intrusion. But where does that end?
The scientists were already investigating the problem of pollution from space debris when they realised a SpaceX Falcon 9 had failed in flight.
，更多细节参见51吃瓜
优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好。Line官方版本下载是该领域的重要参考
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“该拦的拦不住，不该拦的乱拦。”令仪对此表示困惑，“作为用户，我们并不清楚过滤系统的具体运作机制，难道它只能识别明确的关键词？”