Transformer模型通俗理解
https://www.cnblogs.com/zhongzhaoxie/p/13064374.html
Transformer的PyTorch实现（超详细）
https://blog.csdn.net/qq_37236745/article/details/107352273
https://www.jianshu.com/p/b0cf5520c4fa
Sinusoidal 位置编码追根溯源
https://www.bilibili.com/video/BV1vA411V71k?from=search&seid=10026013672863379519&spm_id_from=333.337.0.0
