Merge pull request #282 from alibaba-damo-academy/dev_lzr

zhifu gao

2023-03-22 e68c9c0c1fcfd20d56c8e5daf793542f362b4dbf

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