从实验室到田间地头，从一株小草到一个产业。南药飘香处，皆是希望田。
The tee() memory cliff: Stream.share() requires explicit buffer configuration. You choose the highWaterMark and backpressure policy upfront: no more silent unbounded growth when consumers run at different speeds.
，这一点在WPS官方版本下载中也有详细论述
The typical SpeedPro franchisee，推荐阅读搜狗输入法下载获取更多信息
优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好
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