Merge pull request #153 from alibaba-damo-academy/dev_gzf

zhifu gao

2023-02-25 dae8f7472dee1f630d45828c186f028c05cb298f

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