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优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好
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S26 的屏幕尺寸从去年的 6.2 寸扩大到了 6.3 寸，机身也变高了一些，单手握持的手感不如 S25 那么灵巧轻便了。
If you get shingles after being vaccinated, the symptoms can be much milder.
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Patrick Armstrong, Plurimi Wealth, CIO; Estelle Brachlianoff, Veolia CEO; Tara Varma, German Marshall Fund, Strategic Foresight Managing Director. (Source: Bloomberg)