Merge pull request #184 from alibaba-damo-academy/dev_timestamp

zhifu gao

2023-03-03 00c1d9119c8154eda88cee4ad0719a99de795f17

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