1  res = 0.7580946
input_keep_prob_ = 0.5
output_keep_prob_ = 0.5

lstmUnitNum = 100
attn_length = 16
attention_size = 128
layer_num = 1
forget_bias = 0.5
HBiLSTM（input和output横向级联）

2  res = 0.7571956
input_keep_prob_ = 0.5
output_keep_prob_ = 0.5

lstmUnitNum = 100
attn_length = 16
attention_size = 256
layer_num = 1
forget_bias = 0.5
HBiLSTM（input和output横向级联）

3  res = 0.752978
input_keep_prob_ = 0.5
output_keep_prob_ = 0.5

lstmUnitNum = 100
attn_length = 16
attention_size = 128
layer_num = 1
forget_bias = 0.5
HBiLSTM（input和output增维纵向级联）