PaddlePaddle支持的语言模型包括：
BERT (Bidirectional Encoder Representations from Transformers)RoBERTa (A Robustly Optimized BERT Approach)ERNIE (Enhanced Representation through kNowledge Integration)XLNet (eXtreme Multi-Label Network)DistilBERT (A distilled version of BERT)Electra (Efficiently Learning an Encoder that Classifies Token Replacements Accurately)
