优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好
As of Feb. 26, you can get a great deal on the Eufy Omni C20 at Amazon. It vacuums, it mops, and better yet, it's reduced by $250. This brings the price down to $349.98, its lowest price of 2026.
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"I didn't know what was happening," she explained. "The first month I do not remember anything."
No heap allocations of size, 1, 2, and 4, and none of the garbage that
parakeet::AOSCCache aosc_cache(4); // max 4 speakers