Merge pull request #37 from alibaba-damo-academy/dev_lyb

zhifu gao

2023-01-18 2de29621c5b75fac8324ab9e04f0ce59c09a86b6

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