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tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
，更多细节参见Line官方版本下载
But the watchdog noted the humour was "generated by the humiliation and implied threat of painful, non-consensual penetration of the man".
优点： 表达力更强、梯度更平滑，性能优于 ReLU/GELU。