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President Lyndon B Johnson, like millions of others, sat glued to his television sets during the Apollo 8 mission
。关于这个话题，heLLoword翻译官方下载提供了深入分析
优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好
发展如一幅壮阔图景，人间烟火气正是其中最美的风景。无尽的远方，无数的人们，以点滴新意，把这壮丽景象绣得日新月异，绣得热气腾腾，绣出了高质量发展的壮美前程。