In practice, (and yes, there are always exceptions to be found) BYOB is rarely used to any measurable benefit. The API is substantially more complex than default reads, requiring a separate reader type (ReadableStreamBYOBReader) and other specialized classes (e.g. ReadableStreamBYOBRequest), careful buffer lifecycle management, and understanding of ArrayBuffer detachment semantics. When you pass a buffer to a BYOB read, the buffer becomes detached — transferred to the stream — and you get back a different view over potentially different memory. This transfer-based model is error-prone and confusing:
（十三）隐蔽从事黑灰产。操作利用矩阵账号，将网民引流到群组等环节，发布极端言论，或从事赌博、诈骗、水军、传销等违法犯罪行为。
，这一点在im钱包官方下载中也有详细论述
优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好。业内人士推荐Line官方版本下载作为进阶阅读
How OsmAnd Builds Routes