Merge pull request #279 from alibaba-damo-academy/dev_cmz

zhifu gao

2023-03-22 9779146f1d9d778022470585bd68ac8d98b7c920

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