Merge pull request #974 from alibaba-damo-academy/dev_lhn

hnluo

2023-09-21 c133ccefffb8d3ce1c249dac60fd5ffe99f438be

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