优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好
Ранее синоптик Татьяна Позднякова спрогнозировала, что снег в Москве может полностью исчезнуть в первой декаде апреля. Специалист подчеркнула, что сейчас рано давать точные прогнозы касательно схода снежного покрова.
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However, before you get too excited, Xreal glasses still have some big advantages. First off, Xreal can project much larger virtual screens. You can also control the screen distance and angle for optimum viewing, and set the display to anchor in a specific spot in your eyeline or move with your head. There's no anchor feature with the RayNeo glasses.
Kaley said while she uses YouTube less often now, she believes she was previously addicted to it. “Anytime I tried to set limits for myself, it wouldn’t work and I just couldn’t get off,” she said.