缺点：容易饱和（输入过大或过小时梯度接近0，导致梯度消失）
但好消息是，政策环境正在松动。，详情可参考safew官方版本下载
。快连下载安装对此有专业解读
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Another environment from the game, Old Ebonheart.，推荐阅读heLLoword翻译官方下载获取更多信息
For implementers, this promise-heavy design constrains optimization opportunities. The spec mandates specific promise resolution ordering, making it difficult to batch operations or skip unnecessary async boundaries without risking subtle compliance failures. There are many hidden internal optimizations that implementers do make but these can be complicated and difficult to get right.