4.3 RNNLSTMGRU AIAINLP——4.3 RNNLSTMGRU NLPRNNLSTMGRU RNNLSTMGRUNLPAINLPAI “” “”——NLP RNNLSTM GRUNLP ——RNN 1.1 RNN ——Recurrent Neural Network, RNN “”“”“”RNN“” RNN“”Hidden StateRNN“” RNN“RNN”RNN “RNN”RNNRNN RNN RNN“”RNN“” RNN 1.2 RNN“” RNN RNN 1 1 RNNNLP“” ——LSTMGRU RNNLSTM GRU 2.