Merge pull request #316 from alibaba-damo-academy/dev_sx

zhifu gao

2023-03-30 bf4f152ad83d6213efdc5fb22762cb150dda0277

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beam_size: 10
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.5
lm_weight: 0.7