Merge pull request #58 from alibaba-damo-academy/dev

zhifu gao

2023-02-03 79bd015ab0ded4e5aed1b1ecf32fcbc84eefde68

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