bert只保留了Transformer里的[编码器](编码器.md)的部分 ![image.png|1000](https://imagehosting4picgo.oss-cn-beijing.aliyuncs.com/imagehosting/fix-dir%2Fpicgo%2Fpicgo-clipboard-images%2F2025%2F01%2F29%2F15-33-57-6bc2ff6f305eb42e318c52acda24fd2a-202501291533765-30f2c3.png)