Merge pull request #150 from alibaba-damo-academy/dev_lhn

zhifu gao

2023-02-23 32b9c7db0e971c5bf174536d6abd0bd8ba031d1f

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beam_size: 10
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 1.0
lm_weight: 0.7